20401931

素因数分解:

${\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{1637}}^1$

素因数の和:1762

約数の個数: 12

約数和(自身を含む): 22656816

約数和(自身を除く): 2254885

約数列:

[1, 11, 103, 121, 1133, 1637, 12463, 18007, 168611, 198077, 1854721, 20401931]

約数ペア:

[(1, 20401931), (11, 1854721), (103, 198077), (121, 168611), (1133, 18007), (1637, 12463)]