20525660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44621}}^1$

素因数の和:44653

約数の個数: 24

約数和(自身を含む): 44978976

約数和(自身を除く): 24453316

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 44621, 89242, 178484, 223105, 446210, 892420, 1026283, 2052566, 4105132, 5131415, 10262830, 20525660]

約数ペア:

[(1, 20525660), (2, 10262830), (4, 5131415), (5, 4105132), (10, 2052566), (20, 1026283), (23, 892420), (46, 446210), (92, 223105), (115, 178484), (230, 89242), (460, 44621)]