20194850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31069}}^1$

素因数の和:31094

約数の個数: 24

約数和(自身を含む): 40453140

約数和(自身を除く): 20258290

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31069, 62138, 155345, 310690, 403897, 776725, 807794, 1553450, 2019485, 4038970, 10097425, 20194850]

約数ペア:

[(1, 20194850), (2, 10097425), (5, 4038970), (10, 2019485), (13, 1553450), (25, 807794), (26, 776725), (50, 403897), (65, 310690), (130, 155345), (325, 62138), (650, 31069)]