20004818

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8287}}^1$

素因数の和:8377

約数の個数: 16

約数和(自身を含む): 32223744

約数和(自身を除く): 12218926

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 8287, 16574, 140879, 281758, 588377, 1176754, 10002409, 20004818]

約数ペア:

[(1, 20004818), (2, 10002409), (17, 1176754), (34, 588377), (71, 281758), (142, 140879), (1207, 16574), (2414, 8287)]