20028910720

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{673}}^1$

素因数の和:792

約数の個数: 384

約数和(自身を含む): 60895603440

約数和(自身を除く): 40866692720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 73, 80, 91, 98, 104, 112, 128, 130, 140, 146, 160, 182, 196, 208, 224, 245, 260, 280, 292, 320, 364, 365, 392, 416, 448, 455, 490, 511, 520, 560, 584, 637, 640, 673, 728, 730, 784, 832, 896, 910, 949, 980, 1022, 1040, 1120, 1168, 1274, 1346, 1456, 1460, 1568, 1664, 1820, 1898, 1960, 2044, 2080, 2240, 2336, 2548, 2555, 2692, 2912, 2920, 3136, 3185, 3365, 3577, 3640, 3796, 3920, 4088, 4160, 4480, 4672, 4711, 4745, 5096, 5110, 5384, 5824, 5840, 6272, 6370, 6643, 6730, 7154, 7280, 7592, 7840, 8176, 8320, 8749, 9344, 9422, 9490, 10192, 10220, 10768, 11648, 11680, 12740, 13286, 13460, 14308, 14560, 15184, 15680, 16352, 17498, 17885, 18844, 18980, 20384, 20440, 21536, 23360, 23555, 25480, 26572, 26920, 28616, 29120, 30368, 31360, 32704, 32977, 33215, 34996, 35770, 37688, 37960, 40768, 40880, 43072, 43745, 46501, 46720, 47110, 49129, 50960, 53144, 53840, 57232, 58240, 60736, 61243, 65408, 65954, 66430, 69992, 71540, 75376, 75920, 81536, 81760, 86144, 87490, 93002, 94220, 98258, 101920, 106288, 107680, 114464, 121472, 122486, 131908, 132860, 139984, 143080, 150752, 151840, 163520, 164885, 174980, 186004, 188440, 196516, 203840, 212576, 215360, 228928, 232505, 244972, 245645, 263816, 265720, 279968, 286160, 301504, 303680, 306215, 327040, 329770, 343903, 349960, 372008, 376880, 393032, 407680, 425152, 428701, 430720, 457856, 465010, 489944, 491290, 527632, 531440, 559936, 572320, 603008, 607360, 612430, 638677, 659540, 687806, 699920, 744016, 753760, 786064, 850304, 857402, 930020, 979888, 982580, 1055264, 1062880, 1119872, 1144640, 1224860, 1277354, 1319080, 1375612, 1399840, 1488032, 1507520, 1572128, 1714804, 1719515, 1860040, 1959776, 1965160, 2110528, 2125760, 2143505, 2289280, 2407321, 2449720, 2554708, 2638160, 2751224, 2799680, 2976064, 3015040, 3144256, 3193385, 3429608, 3439030, 3720080, 3919552, 3930320, 4221056, 4251520, 4287010, 4470739, 4814642, 4899440, 5109416, 5276320, 5502448, 5599360, 5952128, 6288512, 6386770, 6859216, 6878060, 7440160, 7839104, 7860640, 8574020, 8941478, 9629284, 9798880, 10218832, 10552640, 11004896, 12036605, 12773540, 13718432, 13756120, 14880320, 15721280, 17148040, 17882956, 19258568, 19597760, 20437664, 21105280, 22009792, 22353695, 24073210, 25547080, 27436864, 27512240, 29760640, 31295173, 31442560, 34296080, 35765912, 38517136, 39195520, 40875328, 44019584, 44707390, 48146420, 51094160, 54873728, 55024480, 62590346, 68592160, 71531824, 77034272, 81750656, 89414780, 96292840, 102188320, 110048960, 125180692, 137184320, 143063648, 154068544, 156475865, 178829560, 192585680, 204376640, 220097920, 250361384, 274368640, 286127296, 308137088, 312951730, 357659120, 385171360, 408753280, 500722768, 572254592, 625903460, 715318240, 770342720, 1001445536, 1251806920, 1430636480, 1540685440, 2002891072, 2503613840, 2861272960, 4005782144, 5007227680, 10014455360, 20028910720]

約数ペア:

[(1, 20028910720), (2, 10014455360), (4, 5007227680), (5, 4005782144), (7, 2861272960), (8, 2503613840), (10, 2002891072), (13, 1540685440), (14, 1430636480), (16, 1251806920), (20, 1001445536), (26, 770342720), (28, 715318240), (32, 625903460), (35, 572254592), (40, 500722768), (49, 408753280), (52, 385171360), (56, 357659120), (64, 312951730), (65, 308137088), (70, 286127296), (73, 274368640), (80, 250361384), (91, 220097920), (98, 204376640), (104, 192585680), (112, 178829560), (128, 156475865), (130, 154068544), (140, 143063648), (146, 137184320), (160, 125180692), (182, 110048960), (196, 102188320), (208, 96292840), (224, 89414780), (245, 81750656), (260, 77034272), (280, 71531824), (292, 68592160), (320, 62590346), (364, 55024480), (365, 54873728), (392, 51094160), (416, 48146420), (448, 44707390), (455, 44019584), (490, 40875328), (511, 39195520), (520, 38517136), (560, 35765912), (584, 34296080), (637, 31442560), (640, 31295173), (673, 29760640), (728, 27512240), (730, 27436864), (784, 25547080), (832, 24073210), (896, 22353695), (910, 22009792), (949, 21105280), (980, 20437664), (1022, 19597760), (1040, 19258568), (1120, 17882956), (1168, 17148040), (1274, 15721280), (1346, 14880320), (1456, 13756120), (1460, 13718432), (1568, 12773540), (1664, 12036605), (1820, 11004896), (1898, 10552640), (1960, 10218832), (2044, 9798880), (2080, 9629284), (2240, 8941478), (2336, 8574020), (2548, 7860640), (2555, 7839104), (2692, 7440160), (2912, 6878060), (2920, 6859216), (3136, 6386770), (3185, 6288512), (3365, 5952128), (3577, 5599360), (3640, 5502448), (3796, 5276320), (3920, 5109416), (4088, 4899440), (4160, 4814642), (4480, 4470739), (4672, 4287010), (4711, 4251520), (4745, 4221056), (5096, 3930320), (5110, 3919552), (5384, 3720080), (5824, 3439030), (5840, 3429608), (6272, 3193385), (6370, 3144256), (6643, 3015040), (6730, 2976064), (7154, 2799680), (7280, 2751224), (7592, 2638160), (7840, 2554708), (8176, 2449720), (8320, 2407321), (8749, 2289280), (9344, 2143505), (9422, 2125760), (9490, 2110528), (10192, 1965160), (10220, 1959776), (10768, 1860040), (11648, 1719515), (11680, 1714804), (12740, 1572128), (13286, 1507520), (13460, 1488032), (14308, 1399840), (14560, 1375612), (15184, 1319080), (15680, 1277354), (16352, 1224860), (17498, 1144640), (17885, 1119872), (18844, 1062880), (18980, 1055264), (20384, 982580), (20440, 979888), (21536, 930020), (23360, 857402), (23555, 850304), (25480, 786064), (26572, 753760), (26920, 744016), (28616, 699920), (29120, 687806), (30368, 659540), (31360, 638677), (32704, 612430), (32977, 607360), (33215, 603008), (34996, 572320), (35770, 559936), (37688, 531440), (37960, 527632), (40768, 491290), (40880, 489944), (43072, 465010), (43745, 457856), (46501, 430720), (46720, 428701), (47110, 425152), (49129, 407680), (50960, 393032), (53144, 376880), (53840, 372008), (57232, 349960), (58240, 343903), (60736, 329770), (61243, 327040), (65408, 306215), (65954, 303680), (66430, 301504), (69992, 286160), (71540, 279968), (75376, 265720), (75920, 263816), (81536, 245645), (81760, 244972), (86144, 232505), (87490, 228928), (93002, 215360), (94220, 212576), (98258, 203840), (101920, 196516), (106288, 188440), (107680, 186004), (114464, 174980), (121472, 164885), (122486, 163520), (131908, 151840), (132860, 150752), (139984, 143080)]