20666644543

素因数分解:

${\mathrm{31}}^1\times {\mathrm{101}}^2\times {\mathrm{65353}}^1$

素因数の和:65586

約数の個数: 12

約数和(自身を含む): 21546952384

約数和(自身を除く): 880307841

約数列:

[1, 31, 101, 3131, 10201, 65353, 316231, 2025943, 6600653, 204620243, 666665953, 20666644543]

約数ペア:

[(1, 20666644543), (31, 666665953), (101, 204620243), (3131, 6600653), (10201, 2025943), (65353, 316231)]