20348517620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23661067}}^1$

素因数の和:23661119

約数の個数: 24

約数和(自身を含む): 43725653664

約数和(自身を除く): 23377136044

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23661067, 47322134, 94644268, 118305335, 236610670, 473221340, 1017425881, 2034851762, 4069703524, 5087129405, 10174258810, 20348517620]

約数ペア:

[(1, 20348517620), (2, 10174258810), (4, 5087129405), (5, 4069703524), (10, 2034851762), (20, 1017425881), (43, 473221340), (86, 236610670), (172, 118305335), (215, 94644268), (430, 47322134), (860, 23661067)]