20845753070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{90633709}}^1$

素因数の和:90633739

約数の個数: 16

約数和(自身を含む): 39153762720

約数和(自身を除く): 18308009650

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 90633709, 181267418, 453168545, 906337090, 2084575307, 4169150614, 10422876535, 20845753070]

約数ペア:

[(1, 20845753070), (2, 10422876535), (5, 4169150614), (10, 2084575307), (23, 906337090), (46, 453168545), (115, 181267418), (230, 90633709)]