20451207

素因数分解:

$3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{2131}}^1$

素因数の和:2598

約数の個数: 16

約数和(自身を含む): 31246592

約数和(自身を除く): 10795385

約数列:

[1, 3, 7, 21, 457, 1371, 2131, 3199, 6393, 9597, 14917, 44751, 973867, 2921601, 6817069, 20451207]

約数ペア:

[(1, 20451207), (3, 6817069), (7, 2921601), (21, 973867), (457, 44751), (1371, 14917), (2131, 9597), (3199, 6393)]