20874502

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{49939}}^1$

素因数の和:49971

約数の個数: 16

約数和(自身を含む): 35956800

約数和(自身を除く): 15082298

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 49939, 99878, 549329, 948841, 1098658, 1897682, 10437251, 20874502]

約数ペア:

[(1, 20874502), (2, 10437251), (11, 1897682), (19, 1098658), (22, 948841), (38, 549329), (209, 99878), (418, 49939)]