20264765

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{8221}}^1$

素因数の和:8272

約数の個数: 16

約数和(自身を含む): 26639280

約数和(自身を除く): 6374515

約数列:

[1, 5, 17, 29, 85, 145, 493, 2465, 8221, 41105, 139757, 238409, 698785, 1192045, 4052953, 20264765]

約数ペア:

[(1, 20264765), (5, 4052953), (17, 1192045), (29, 698785), (85, 238409), (145, 139757), (493, 41105), (2465, 8221)]