20475911680

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:162

約数の個数: 480

約数和(自身を含む): 61437942720

約数和(自身を除く): 40962031040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 32, 35, 40, 41, 56, 58, 62, 64, 70, 80, 82, 112, 116, 124, 128, 140, 145, 155, 160, 164, 203, 205, 217, 224, 232, 248, 256, 280, 287, 290, 310, 320, 328, 406, 410, 434, 448, 464, 496, 512, 560, 574, 580, 620, 640, 656, 812, 820, 868, 896, 899, 928, 961, 992, 1015, 1085, 1120, 1148, 1160, 1189, 1240, 1271, 1280, 1312, 1435, 1624, 1640, 1736, 1792, 1798, 1856, 1922, 1984, 2030, 2170, 2240, 2296, 2320, 2378, 2480, 2542, 2560, 2624, 2870, 3248, 3280, 3472, 3584, 3596, 3712, 3844, 3968, 4060, 4340, 4480, 4495, 4592, 4640, 4756, 4805, 4960, 5084, 5248, 5740, 5945, 6293, 6355, 6496, 6560, 6727, 6944, 7192, 7424, 7688, 7936, 8120, 8323, 8680, 8897, 8960, 8990, 9184, 9280, 9512, 9610, 9920, 10168, 10496, 11480, 11890, 12586, 12710, 12992, 13120, 13454, 13888, 14384, 14848, 15376, 15872, 16240, 16646, 17360, 17794, 17920, 17980, 18368, 18560, 19024, 19220, 19840, 20336, 20992, 22960, 23780, 25172, 25420, 25984, 26240, 26908, 27776, 27869, 28768, 30752, 31465, 32480, 33292, 33635, 34720, 35588, 35960, 36736, 36859, 37120, 38048, 38440, 39401, 39680, 40672, 41615, 44485, 45920, 47560, 50344, 50840, 51968, 52480, 53816, 55552, 55738, 57536, 61504, 62930, 64960, 66584, 67270, 69440, 71176, 71920, 73472, 73718, 74240, 76096, 76880, 78802, 79360, 81344, 83230, 88970, 91840, 95120, 100688, 101680, 103936, 104960, 107632, 111104, 111476, 115072, 123008, 125860, 129920, 133168, 134540, 138880, 139345, 142352, 143840, 146944, 147436, 152192, 153760, 157604, 162688, 166460, 177940, 183680, 184295, 190240, 195083, 197005, 201376, 203360, 215264, 222952, 230144, 246016, 251720, 258013, 259840, 266336, 269080, 275807, 277760, 278690, 284704, 287680, 294872, 304384, 307520, 315208, 325376, 332920, 355880, 367360, 368590, 380480, 390166, 394010, 402752, 406720, 430528, 445904, 460288, 492032, 503440, 516026, 519680, 532672, 538160, 551614, 555520, 557380, 569408, 575360, 589744, 608768, 615040, 630416, 650752, 665840, 711760, 734720, 737180, 760960, 780332, 788020, 805504, 813440, 861056, 891808, 975415, 1006880, 1032052, 1065344, 1076320, 1103228, 1114760, 1138816, 1142629, 1150720, 1179488, 1230080, 1260832, 1290065, 1331680, 1379035, 1423520, 1474360, 1521920, 1560664, 1576040, 1611008, 1626880, 1722112, 1783616, 1950830, 2013760, 2064104, 2130688, 2152640, 2206456, 2229520, 2277632, 2285258, 2301440, 2358976, 2460160, 2521664, 2580130, 2663360, 2758070, 2847040, 2948720, 3043840, 3121328, 3152080, 3222016, 3253760, 3444224, 3567232, 3901660, 4027520, 4128208, 4261376, 4305280, 4412912, 4459040, 4555264, 4570516, 4717952, 5043328, 5160260, 5326720, 5516140, 5694080, 5713145, 5897440, 6242656, 6304160, 7134464, 7803320, 7998403, 8055040, 8256416, 8610560, 8825824, 8918080, 9141032, 9435904, 10086656, 10320520, 10653440, 11032280, 11388160, 11426290, 11794880, 12485312, 12608320, 14268928, 15606640, 15996806, 16110080, 16512832, 17221120, 17651648, 17836160, 18282064, 18871808, 20173312, 20641040, 21306880, 22064560, 22776320, 22852580, 23589760, 24970624, 25216640, 31213280, 31993612, 33025664, 35303296, 35672320, 36564128, 39992015, 41282080, 44129120, 45705160, 47179520, 49941248, 50433280, 62426560, 63987224, 66051328, 70606592, 71344640, 73128256, 79984030, 82564160, 88258240, 91410320, 94359040, 99882496, 100866560, 124853120, 127974448, 132102656, 141213184, 146256512, 159968060, 165128320, 176516480, 182820640, 249706240, 255948896, 292513024, 319936120, 330256640, 353032960, 365641280, 499412480, 511897792, 585026048, 639872240, 660513280, 706065920, 731282560, 1023795584, 1279744480, 1462565120, 2047591168, 2559488960, 2925130240, 4095182336, 5118977920, 10237955840, 20475911680]

約数ペア:

[(1, 20475911680), (2, 10237955840), (4, 5118977920), (5, 4095182336), (7, 2925130240), (8, 2559488960), (10, 2047591168), (14, 1462565120), (16, 1279744480), (20, 1023795584), (28, 731282560), (29, 706065920), (31, 660513280), (32, 639872240), (35, 585026048), (40, 511897792), (41, 499412480), (56, 365641280), (58, 353032960), (62, 330256640), (64, 319936120), (70, 292513024), (80, 255948896), (82, 249706240), (112, 182820640), (116, 176516480), (124, 165128320), (128, 159968060), (140, 146256512), (145, 141213184), (155, 132102656), (160, 127974448), (164, 124853120), (203, 100866560), (205, 99882496), (217, 94359040), (224, 91410320), (232, 88258240), (248, 82564160), (256, 79984030), (280, 73128256), (287, 71344640), (290, 70606592), (310, 66051328), (320, 63987224), (328, 62426560), (406, 50433280), (410, 49941248), (434, 47179520), (448, 45705160), (464, 44129120), (496, 41282080), (512, 39992015), (560, 36564128), (574, 35672320), (580, 35303296), (620, 33025664), (640, 31993612), (656, 31213280), (812, 25216640), (820, 24970624), (868, 23589760), (896, 22852580), (899, 22776320), (928, 22064560), (961, 21306880), (992, 20641040), (1015, 20173312), (1085, 18871808), (1120, 18282064), (1148, 17836160), (1160, 17651648), (1189, 17221120), (1240, 16512832), (1271, 16110080), (1280, 15996806), (1312, 15606640), (1435, 14268928), (1624, 12608320), (1640, 12485312), (1736, 11794880), (1792, 11426290), (1798, 11388160), (1856, 11032280), (1922, 10653440), (1984, 10320520), (2030, 10086656), (2170, 9435904), (2240, 9141032), (2296, 8918080), (2320, 8825824), (2378, 8610560), (2480, 8256416), (2542, 8055040), (2560, 7998403), (2624, 7803320), (2870, 7134464), (3248, 6304160), (3280, 6242656), (3472, 5897440), (3584, 5713145), (3596, 5694080), (3712, 5516140), (3844, 5326720), (3968, 5160260), (4060, 5043328), (4340, 4717952), (4480, 4570516), (4495, 4555264), (4592, 4459040), (4640, 4412912), (4756, 4305280), (4805, 4261376), (4960, 4128208), (5084, 4027520), (5248, 3901660), (5740, 3567232), (5945, 3444224), (6293, 3253760), (6355, 3222016), (6496, 3152080), (6560, 3121328), (6727, 3043840), (6944, 2948720), (7192, 2847040), (7424, 2758070), (7688, 2663360), (7936, 2580130), (8120, 2521664), (8323, 2460160), (8680, 2358976), (8897, 2301440), (8960, 2285258), (8990, 2277632), (9184, 2229520), (9280, 2206456), (9512, 2152640), (9610, 2130688), (9920, 2064104), (10168, 2013760), (10496, 1950830), (11480, 1783616), (11890, 1722112), (12586, 1626880), (12710, 1611008), (12992, 1576040), (13120, 1560664), (13454, 1521920), (13888, 1474360), (14384, 1423520), (14848, 1379035), (15376, 1331680), (15872, 1290065), (16240, 1260832), (16646, 1230080), (17360, 1179488), (17794, 1150720), (17920, 1142629), (17980, 1138816), (18368, 1114760), (18560, 1103228), (19024, 1076320), (19220, 1065344), (19840, 1032052), (20336, 1006880), (20992, 975415), (22960, 891808), (23780, 861056), (25172, 813440), (25420, 805504), (25984, 788020), (26240, 780332), (26908, 760960), (27776, 737180), (27869, 734720), (28768, 711760), (30752, 665840), (31465, 650752), (32480, 630416), (33292, 615040), (33635, 608768), (34720, 589744), (35588, 575360), (35960, 569408), (36736, 557380), (36859, 555520), (37120, 551614), (38048, 538160), (38440, 532672), (39401, 519680), (39680, 516026), (40672, 503440), (41615, 492032), (44485, 460288), (45920, 445904), (47560, 430528), (50344, 406720), (50840, 402752), (51968, 394010), (52480, 390166), (53816, 380480), (55552, 368590), (55738, 367360), (57536, 355880), (61504, 332920), (62930, 325376), (64960, 315208), (66584, 307520), (67270, 304384), (69440, 294872), (71176, 287680), (71920, 284704), (73472, 278690), (73718, 277760), (74240, 275807), (76096, 269080), (76880, 266336), (78802, 259840), (79360, 258013), (81344, 251720), (83230, 246016), (88970, 230144), (91840, 222952), (95120, 215264), (100688, 203360), (101680, 201376), (103936, 197005), (104960, 195083), (107632, 190240), (111104, 184295), (111476, 183680), (115072, 177940), (123008, 166460), (125860, 162688), (129920, 157604), (133168, 153760), (134540, 152192), (138880, 147436), (139345, 146944), (142352, 143840)]