20201598430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{780889}}^1$

素因数の和:781108

約数の個数: 32

約数和(自身を含む): 39356856000

約数和(自身を除く): 19155257570

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1990, 2587, 5174, 12935, 25870, 780889, 1561778, 3904445, 7808890, 10151557, 20303114, 50757785, 101515570, 155396911, 310793822, 776984555, 1553969110, 2020159843, 4040319686, 10100799215, 20201598430]

約数ペア:

[(1, 20201598430), (2, 10100799215), (5, 4040319686), (10, 2020159843), (13, 1553969110), (26, 776984555), (65, 310793822), (130, 155396911), (199, 101515570), (398, 50757785), (995, 20303114), (1990, 10151557), (2587, 7808890), (5174, 3904445), (12935, 1561778), (25870, 780889)]