20651150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31771}}^1$

素因数の和:31796

約数の個数: 24

約数和(自身を含む): 41367144

約数和(自身を除く): 20715994

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31771, 63542, 158855, 317710, 413023, 794275, 826046, 1588550, 2065115, 4130230, 10325575, 20651150]

約数ペア:

[(1, 20651150), (2, 10325575), (5, 4130230), (10, 2065115), (13, 1588550), (25, 826046), (26, 794275), (50, 413023), (65, 317710), (130, 158855), (325, 63542), (650, 31771)]