20199311977

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1\times {\mathrm{84221}}^1$

素因数の和:85224

約数の個数: 16

約数和(自身を含む): 22921859520

約数和(自身を除く): 2722547543

約数列:

[1, 13, 19, 247, 971, 12623, 18449, 84221, 239837, 1094873, 1600199, 20802587, 81778591, 1063121683, 1553793229, 20199311977]

約数ペア:

[(1, 20199311977), (13, 1553793229), (19, 1063121683), (247, 81778591), (971, 20802587), (12623, 1600199), (18449, 1094873), (84221, 239837)]