20210573648

素因数分解:

$2^4\times {\mathrm{521}}^1\times {\mathrm{2424493}}^1$

素因数の和:2425022

約数の個数: 20

約数和(自身を含む): 39233161908

約数和(自身を除く): 19022588260

約数列:

[1, 2, 4, 8, 16, 521, 1042, 2084, 4168, 8336, 2424493, 4848986, 9697972, 19395944, 38791888, 1263160853, 2526321706, 5052643412, 10105286824, 20210573648]

約数ペア:

[(1, 20210573648), (2, 10105286824), (4, 5052643412), (8, 2526321706), (16, 1263160853), (521, 38791888), (1042, 19395944), (2084, 9697972), (4168, 4848986), (8336, 2424493)]