20209150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31091}}^1$

素因数の和:31116

約数の個数: 24

約数和(自身を含む): 40481784

約数和(自身を除く): 20272634

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31091, 62182, 155455, 310910, 404183, 777275, 808366, 1554550, 2020915, 4041830, 10104575, 20209150]

約数ペア:

[(1, 20209150), (2, 10104575), (5, 4041830), (10, 2020915), (13, 1554550), (25, 808366), (26, 777275), (50, 404183), (65, 310910), (130, 155455), (325, 62182), (650, 31091)]