20785827960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{20897}}^1$

素因数の和:21227

約数の個数: 160

約数和(自身を含む): 70094399760

約数和(自身を除く): 49308571800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 307, 324, 360, 405, 540, 614, 648, 810, 921, 1080, 1228, 1535, 1620, 1842, 2456, 2763, 3070, 3240, 3684, 4605, 5526, 6140, 7368, 8289, 9210, 11052, 12280, 13815, 16578, 18420, 20897, 22104, 24867, 27630, 33156, 36840, 41445, 41794, 49734, 55260, 62691, 66312, 82890, 83588, 99468, 104485, 110520, 124335, 125382, 165780, 167176, 188073, 198936, 208970, 248670, 250764, 313455, 331560, 376146, 417940, 497340, 501528, 564219, 626910, 752292, 835880, 940365, 994680, 1128438, 1253820, 1504584, 1692657, 1880730, 2256876, 2507640, 2821095, 3385314, 3761460, 4513752, 5642190, 6415379, 6770628, 7522920, 8463285, 11284380, 12830758, 13541256, 16926570, 19246137, 22568760, 25661516, 32076895, 33853140, 38492274, 51323032, 57738411, 64153790, 67706280, 76984548, 96230685, 115476822, 128307580, 153969096, 173215233, 192461370, 230953644, 256615160, 288692055, 346430466, 384922740, 461907288, 519645699, 577384110, 692860932, 769845480, 866076165, 1039291398, 1154768220, 1385721864, 1732152330, 2078582796, 2309536440, 2598228495, 3464304660, 4157165592, 5196456990, 6928609320, 10392913980, 20785827960]

約数ペア:

[(1, 20785827960), (2, 10392913980), (3, 6928609320), (4, 5196456990), (5, 4157165592), (6, 3464304660), (8, 2598228495), (9, 2309536440), (10, 2078582796), (12, 1732152330), (15, 1385721864), (18, 1154768220), (20, 1039291398), (24, 866076165), (27, 769845480), (30, 692860932), (36, 577384110), (40, 519645699), (45, 461907288), (54, 384922740), (60, 346430466), (72, 288692055), (81, 256615160), (90, 230953644), (108, 192461370), (120, 173215233), (135, 153969096), (162, 128307580), (180, 115476822), (216, 96230685), (270, 76984548), (307, 67706280), (324, 64153790), (360, 57738411), (405, 51323032), (540, 38492274), (614, 33853140), (648, 32076895), (810, 25661516), (921, 22568760), (1080, 19246137), (1228, 16926570), (1535, 13541256), (1620, 12830758), (1842, 11284380), (2456, 8463285), (2763, 7522920), (3070, 6770628), (3240, 6415379), (3684, 5642190), (4605, 4513752), (5526, 3761460), (6140, 3385314), (7368, 2821095), (8289, 2507640), (9210, 2256876), (11052, 1880730), (12280, 1692657), (13815, 1504584), (16578, 1253820), (18420, 1128438), (20897, 994680), (22104, 940365), (24867, 835880), (27630, 752292), (33156, 626910), (36840, 564219), (41445, 501528), (41794, 497340), (49734, 417940), (55260, 376146), (62691, 331560), (66312, 313455), (82890, 250764), (83588, 248670), (99468, 208970), (104485, 198936), (110520, 188073), (124335, 167176), (125382, 165780)]