20126843740

素因数分解:

$2^2\times 5^1\times {\mathrm{11149}}^1\times {\mathrm{90263}}^1$

素因数の和:101421

約数の個数: 24

約数和(自身を含む): 42270631200

約数和(自身を除く): 22143787460

約数列:

[1, 2, 4, 5, 10, 20, 11149, 22298, 44596, 55745, 90263, 111490, 180526, 222980, 361052, 451315, 902630, 1805260, 1006342187, 2012684374, 4025368748, 5031710935, 10063421870, 20126843740]

約数ペア:

[(1, 20126843740), (2, 10063421870), (4, 5031710935), (5, 4025368748), (10, 2012684374), (20, 1006342187), (11149, 1805260), (22298, 902630), (44596, 451315), (55745, 361052), (90263, 222980), (111490, 180526)]