20486050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31517}}^1$

素因数の和:31542

約数の個数: 24

約数和(自身を含む): 41036436

約数和(自身を除く): 20550386

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31517, 63034, 157585, 315170, 409721, 787925, 819442, 1575850, 2048605, 4097210, 10243025, 20486050]

約数ペア:

[(1, 20486050), (2, 10243025), (5, 4097210), (10, 2048605), (13, 1575850), (25, 819442), (26, 787925), (50, 409721), (65, 315170), (130, 157585), (325, 63034), (650, 31517)]