20577531

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{757}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 32090688

約数和(自身を除く): 11513157

約数列:

[1, 3, 13, 17, 39, 41, 51, 123, 221, 533, 663, 697, 757, 1599, 2091, 2271, 9061, 9841, 12869, 27183, 29523, 31037, 38607, 93111, 167297, 403481, 501891, 527629, 1210443, 1582887, 6859177, 20577531]

約数ペア:

[(1, 20577531), (3, 6859177), (13, 1582887), (17, 1210443), (39, 527629), (41, 501891), (51, 403481), (123, 167297), (221, 93111), (533, 38607), (663, 31037), (697, 29523), (757, 27183), (1599, 12869), (2091, 9841), (2271, 9061)]