20291359

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{577}}^1$

素因数の和:750

約数の個数: 16

約数和(自身を含む): 23304960

約数和(自身を除く): 3013601

約数列:

[1, 11, 23, 139, 253, 577, 1529, 3197, 6347, 13271, 35167, 80203, 145981, 882233, 1844669, 20291359]

約数ペア:

[(1, 20291359), (11, 1844669), (23, 882233), (139, 145981), (253, 80203), (577, 35167), (1529, 13271), (3197, 6347)]