20041534720

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:317

約数の個数: 288

約数和(自身を含む): 51690110976

約数和(自身を除く): 31648576256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 97, 124, 127, 128, 155, 160, 164, 194, 205, 248, 254, 256, 310, 320, 328, 388, 410, 485, 496, 508, 620, 635, 640, 656, 776, 820, 970, 992, 1016, 1240, 1270, 1271, 1280, 1312, 1552, 1640, 1940, 1984, 2032, 2480, 2540, 2542, 2624, 3007, 3104, 3280, 3880, 3937, 3968, 3977, 4064, 4960, 5080, 5084, 5207, 5248, 6014, 6208, 6355, 6560, 7760, 7874, 7936, 7954, 8128, 9920, 10160, 10168, 10414, 10496, 12028, 12319, 12416, 12710, 13120, 15035, 15520, 15748, 15908, 16256, 19685, 19840, 19885, 20320, 20336, 20828, 24056, 24638, 24832, 25420, 26035, 26240, 30070, 31040, 31496, 31816, 32512, 39370, 39680, 39770, 40640, 40672, 41656, 48112, 49276, 50840, 52070, 52480, 60140, 61595, 62080, 62992, 63632, 78740, 79540, 81280, 81344, 83312, 96224, 98552, 101680, 104140, 120280, 123190, 123287, 124160, 125984, 127264, 157480, 159080, 161417, 162560, 162688, 166624, 192448, 197104, 203360, 208280, 240560, 246380, 246574, 251968, 254528, 314960, 318160, 322834, 325376, 333248, 381889, 384896, 394208, 406720, 416560, 481120, 492760, 493148, 503936, 505079, 509056, 616435, 629920, 636320, 645668, 666496, 763778, 769792, 788416, 807085, 813440, 833120, 962240, 985520, 986296, 1007872, 1010158, 1018112, 1232870, 1259840, 1272640, 1291336, 1332992, 1527556, 1576832, 1614170, 1626880, 1666240, 1909445, 1924480, 1971040, 1972592, 2020316, 2465740, 2519680, 2525395, 2545280, 2582672, 3055112, 3153664, 3228340, 3332480, 3818890, 3848960, 3942080, 3945184, 4040632, 4931480, 5039360, 5050790, 5090560, 5165344, 6110224, 6456680, 6664960, 7637780, 7884160, 7890368, 8081264, 9862960, 10101580, 10330688, 12220448, 12913360, 15275560, 15657449, 15768320, 15780736, 16162528, 19725920, 20203160, 20661376, 24440896, 25826720, 30551120, 31314898, 31561472, 32325056, 39451840, 40406320, 41322752, 48881792, 51653440, 61102240, 62629796, 64650112, 78287245, 78903680, 80812640, 97763584, 103306880, 122204480, 125259592, 129300224, 156574490, 157807360, 161625280, 206613760, 244408960, 250519184, 313148980, 323250560, 488817920, 501038368, 626297960, 646501120, 1002076736, 1252595920, 2004153472, 2505191840, 4008306944, 5010383680, 10020767360, 20041534720]

約数ペア:

[(1, 20041534720), (2, 10020767360), (4, 5010383680), (5, 4008306944), (8, 2505191840), (10, 2004153472), (16, 1252595920), (20, 1002076736), (31, 646501120), (32, 626297960), (40, 501038368), (41, 488817920), (62, 323250560), (64, 313148980), (80, 250519184), (82, 244408960), (97, 206613760), (124, 161625280), (127, 157807360), (128, 156574490), (155, 129300224), (160, 125259592), (164, 122204480), (194, 103306880), (205, 97763584), (248, 80812640), (254, 78903680), (256, 78287245), (310, 64650112), (320, 62629796), (328, 61102240), (388, 51653440), (410, 48881792), (485, 41322752), (496, 40406320), (508, 39451840), (620, 32325056), (635, 31561472), (640, 31314898), (656, 30551120), (776, 25826720), (820, 24440896), (970, 20661376), (992, 20203160), (1016, 19725920), (1240, 16162528), (1270, 15780736), (1271, 15768320), (1280, 15657449), (1312, 15275560), (1552, 12913360), (1640, 12220448), (1940, 10330688), (1984, 10101580), (2032, 9862960), (2480, 8081264), (2540, 7890368), (2542, 7884160), (2624, 7637780), (3007, 6664960), (3104, 6456680), (3280, 6110224), (3880, 5165344), (3937, 5090560), (3968, 5050790), (3977, 5039360), (4064, 4931480), (4960, 4040632), (5080, 3945184), (5084, 3942080), (5207, 3848960), (5248, 3818890), (6014, 3332480), (6208, 3228340), (6355, 3153664), (6560, 3055112), (7760, 2582672), (7874, 2545280), (7936, 2525395), (7954, 2519680), (8128, 2465740), (9920, 2020316), (10160, 1972592), (10168, 1971040), (10414, 1924480), (10496, 1909445), (12028, 1666240), (12319, 1626880), (12416, 1614170), (12710, 1576832), (13120, 1527556), (15035, 1332992), (15520, 1291336), (15748, 1272640), (15908, 1259840), (16256, 1232870), (19685, 1018112), (19840, 1010158), (19885, 1007872), (20320, 986296), (20336, 985520), (20828, 962240), (24056, 833120), (24638, 813440), (24832, 807085), (25420, 788416), (26035, 769792), (26240, 763778), (30070, 666496), (31040, 645668), (31496, 636320), (31816, 629920), (32512, 616435), (39370, 509056), (39680, 505079), (39770, 503936), (40640, 493148), (40672, 492760), (41656, 481120), (48112, 416560), (49276, 406720), (50840, 394208), (52070, 384896), (52480, 381889), (60140, 333248), (61595, 325376), (62080, 322834), (62992, 318160), (63632, 314960), (78740, 254528), (79540, 251968), (81280, 246574), (81344, 246380), (83312, 240560), (96224, 208280), (98552, 203360), (101680, 197104), (104140, 192448), (120280, 166624), (123190, 162688), (123287, 162560), (124160, 161417), (125984, 159080), (127264, 157480)]