20235529640

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2015491}}^1$

素因数の和:2015753

約数の個数: 32

約数和(自身を含む): 45711358560

約数和(自身を除く): 25475828920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 2015491, 4030982, 8061964, 10077455, 16123928, 20154910, 40309820, 80619640, 505888241, 1011776482, 2023552964, 2529441205, 4047105928, 5058882410, 10117764820, 20235529640]

約数ペア:

[(1, 20235529640), (2, 10117764820), (4, 5058882410), (5, 4047105928), (8, 2529441205), (10, 2023552964), (20, 1011776482), (40, 505888241), (251, 80619640), (502, 40309820), (1004, 20154910), (1255, 16123928), (2008, 10077455), (2510, 8061964), (5020, 4030982), (10040, 2015491)]