20865111

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{1009}}^1$

素因数の和:1186

約数の個数: 16

約数和(自身を含む): 28554720

約数和(自身を除く): 7689609

約数列:

[1, 3, 61, 113, 183, 339, 1009, 3027, 6893, 20679, 61549, 114017, 184647, 342051, 6955037, 20865111]

約数ペア:

[(1, 20865111), (3, 6955037), (61, 342051), (113, 184647), (183, 114017), (339, 61549), (1009, 20679), (3027, 6893)]