20305301828

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{4006571}}^1$

素因数の和:4006763

約数の個数: 24

約数和(自身を含む): 40834981824

約数和(自身を除く): 20529679996

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 724, 1267, 2534, 5068, 4006571, 8013142, 16026284, 28045997, 56091994, 112183988, 725189351, 1450378702, 2900757404, 5076325457, 10152650914, 20305301828]

約数ペア:

[(1, 20305301828), (2, 10152650914), (4, 5076325457), (7, 2900757404), (14, 1450378702), (28, 725189351), (181, 112183988), (362, 56091994), (724, 28045997), (1267, 16026284), (2534, 8013142), (5068, 4006571)]