20815762

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15511}}^1$

素因数の和:15585

約数の個数: 16

約数和(自身を含む): 34622784

約数和(自身を除く): 13807022

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 15511, 31022, 170621, 341242, 946171, 1892342, 10407881, 20815762]

約数ペア:

[(1, 20815762), (2, 10407881), (11, 1892342), (22, 946171), (61, 341242), (122, 170621), (671, 31022), (1342, 15511)]