20581099

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1951}}^1$

素因数の和:2106

約数の個数: 16

約数和(自身を含む): 25860096

約数和(自身を除く): 5278997

約数列:

[1, 7, 11, 77, 137, 959, 1507, 1951, 10549, 13657, 21461, 150227, 267287, 1871009, 2940157, 20581099]

約数ペア:

[(1, 20581099), (7, 2940157), (11, 1871009), (77, 267287), (137, 150227), (959, 21461), (1507, 13657), (1951, 10549)]