20009782

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2663}}^1$

素因数の和:2712

約数の個数: 24

約数和(自身を含む): 34349616

約数和(自身を除く): 14339834

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 2663, 3757, 5326, 7514, 34619, 45271, 69238, 90542, 588523, 769607, 1177046, 1539214, 10004891, 20009782]

約数ペア:

[(1, 20009782), (2, 10004891), (13, 1539214), (17, 1177046), (26, 769607), (34, 588523), (221, 90542), (289, 69238), (442, 45271), (578, 34619), (2663, 7514), (3757, 5326)]