20499974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{49043}}^1$

素因数の和:49075

約数の個数: 16

約数和(自身を含む): 35311680

約数和(自身を除く): 14811706

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 49043, 98086, 539473, 931817, 1078946, 1863634, 10249987, 20499974]

約数ペア:

[(1, 20499974), (2, 10249987), (11, 1863634), (19, 1078946), (22, 931817), (38, 539473), (209, 98086), (418, 49043)]