20163362180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2939}}^1\times {\mathrm{26387}}^1$

素因数の和:29348

約数の個数: 48

約数和(自身を含む): 45617463360

約数和(自身を除く): 25454101180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2939, 5878, 11756, 14695, 26387, 29390, 38207, 52774, 58780, 76414, 105548, 131935, 152828, 191035, 263870, 343031, 382070, 527740, 686062, 764140, 1372124, 1715155, 3430310, 6860620, 77551393, 155102786, 310205572, 387756965, 775513930, 1008168109, 1551027860, 2016336218, 4032672436, 5040840545, 10081681090, 20163362180]

約数ペア:

[(1, 20163362180), (2, 10081681090), (4, 5040840545), (5, 4032672436), (10, 2016336218), (13, 1551027860), (20, 1008168109), (26, 775513930), (52, 387756965), (65, 310205572), (130, 155102786), (260, 77551393), (2939, 6860620), (5878, 3430310), (11756, 1715155), (14695, 1372124), (26387, 764140), (29390, 686062), (38207, 527740), (52774, 382070), (58780, 343031), (76414, 263870), (105548, 191035), (131935, 152828)]