20939206

素因数分解:

$2^1\times {\mathrm{17}}^3\times {\mathrm{2131}}^1$

素因数の和:2184

約数の個数: 16

約数和(自身を含む): 33387120

約数和(自身を除く): 12447914

約数列:

[1, 2, 17, 34, 289, 578, 2131, 4262, 4913, 9826, 36227, 72454, 615859, 1231718, 10469603, 20939206]

約数ペア:

[(1, 20939206), (2, 10469603), (17, 1231718), (34, 615859), (289, 72454), (578, 36227), (2131, 9826), (4262, 4913)]