20111256021

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{3122381}}^1$

素因数の和:3122516

約数の個数: 16

約数和(自身を含む): 28476123840

約数和(自身を除く): 8364867819

約数列:

[1, 3, 19, 57, 113, 339, 2147, 6441, 3122381, 9367143, 59325239, 177975717, 352829053, 1058487159, 6703752007, 20111256021]

約数ペア:

[(1, 20111256021), (3, 6703752007), (19, 1058487159), (57, 352829053), (113, 177975717), (339, 59325239), (2147, 9367143), (6441, 3122381)]