20172969840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{4639}}^1\times {\mathrm{18119}}^1$

素因数の和:22774

約数の個数: 80

約数和(自身を含む): 62553139200

約数和(自身を除く): 42380169360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 4639, 9278, 13917, 18119, 18556, 23195, 27834, 36238, 37112, 46390, 54357, 55668, 69585, 72476, 74224, 90595, 92780, 108714, 111336, 139170, 144952, 181190, 185560, 217428, 222672, 271785, 278340, 289904, 362380, 371120, 434856, 543570, 556680, 724760, 869712, 1087140, 1113360, 1449520, 2174280, 4348560, 84054041, 168108082, 252162123, 336216164, 420270205, 504324246, 672432328, 840540410, 1008648492, 1260810615, 1344864656, 1681080820, 2017296984, 2521621230, 3362161640, 4034593968, 5043242460, 6724323280, 10086484920, 20172969840]

約数ペア:

[(1, 20172969840), (2, 10086484920), (3, 6724323280), (4, 5043242460), (5, 4034593968), (6, 3362161640), (8, 2521621230), (10, 2017296984), (12, 1681080820), (15, 1344864656), (16, 1260810615), (20, 1008648492), (24, 840540410), (30, 672432328), (40, 504324246), (48, 420270205), (60, 336216164), (80, 252162123), (120, 168108082), (240, 84054041), (4639, 4348560), (9278, 2174280), (13917, 1449520), (18119, 1113360), (18556, 1087140), (23195, 869712), (27834, 724760), (36238, 556680), (37112, 543570), (46390, 434856), (54357, 371120), (55668, 362380), (69585, 289904), (72476, 278340), (74224, 271785), (90595, 222672), (92780, 217428), (108714, 185560), (111336, 181190), (139170, 144952)]