20868723359

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1636891}}^1$

素因数の和:1636982

約数の個数: 16

約数和(自身を含む): 24356952960

約数和(自身を除く): 3488229601

約数列:

[1, 11, 19, 61, 209, 671, 1159, 12749, 1636891, 18005801, 31100929, 99850351, 342110219, 1098353861, 1897156669, 20868723359]

約数ペア:

[(1, 20868723359), (11, 1897156669), (19, 1098353861), (61, 342110219), (209, 99850351), (671, 31100929), (1159, 18005801), (12749, 1636891)]