20829529

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{787}}^1$

素因数の和:1012

約数の個数: 16

約数和(自身を含む): 25216000

約数和(自身を除く): 4386471

約数列:

[1, 7, 19, 133, 199, 787, 1393, 3781, 5509, 14953, 26467, 104671, 156613, 1096291, 2975647, 20829529]

約数ペア:

[(1, 20829529), (7, 2975647), (19, 1096291), (133, 156613), (199, 104671), (787, 26467), (1393, 14953), (3781, 5509)]