20804766512

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{5395427}}^1$

素因数の和:5395676

約数の個数: 20

約数和(自身を含む): 40476500856

約数和(自身を除く): 19671734344

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 5395427, 10790854, 21581708, 43163416, 86326832, 1300297907, 2600595814, 5201191628, 10402383256, 20804766512]

約数ペア:

[(1, 20804766512), (2, 10402383256), (4, 5201191628), (8, 2600595814), (16, 1300297907), (241, 86326832), (482, 43163416), (964, 21581708), (1928, 10790854), (3856, 5395427)]