20726121

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{4703}}^1$

素因数の和:4832

約数の個数: 16

約数和(自身を含む): 30030336

約数和(自身を除く): 9304215

約数列:

[1, 3, 13, 39, 113, 339, 1469, 4407, 4703, 14109, 61139, 183417, 531439, 1594317, 6908707, 20726121]

約数ペア:

[(1, 20726121), (3, 6908707), (13, 1594317), (39, 531439), (113, 183417), (339, 61139), (1469, 14109), (4407, 4703)]