20125322553

素因数分解:

$3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1481219}}^1$

素因数の和:1481876

約数の個数: 16

約数和(自身を含む): 30714577920

約数和(自身を除く): 10589255367

約数列:

[1, 3, 7, 21, 647, 1941, 4529, 13587, 1481219, 4443657, 10368533, 31105599, 958348693, 2875046079, 6708440851, 20125322553]

約数ペア:

[(1, 20125322553), (3, 6708440851), (7, 2875046079), (21, 958348693), (647, 31105599), (1941, 10368533), (4529, 4443657), (13587, 1481219)]