20127651

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{457}}^1$

素因数の和:790

約数の個数: 16

約数和(自身を含む): 27501984

約数和(自身を除く): 7374333

約数列:

[1, 3, 53, 159, 277, 457, 831, 1371, 14681, 24221, 44043, 72663, 126589, 379767, 6709217, 20127651]

約数ペア:

[(1, 20127651), (3, 6709217), (53, 379767), (159, 126589), (277, 72663), (457, 44043), (831, 24221), (1371, 14681)]