20925791

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:418

約数の個数: 16

約数和(自身を含む): 22852800

約数和(自身を除く): 1927009

約数列:

[1, 23, 29, 137, 229, 667, 3151, 3973, 5267, 6641, 31373, 91379, 152743, 721579, 909817, 20925791]

約数ペア:

[(1, 20925791), (23, 909817), (29, 721579), (137, 152743), (229, 91379), (667, 31373), (3151, 6641), (3973, 5267)]