20537620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44647}}^1$

素因数の和:44679

約数の個数: 24

約数和(自身を含む): 45005184

約数和(自身を除く): 24467564

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 44647, 89294, 178588, 223235, 446470, 892940, 1026881, 2053762, 4107524, 5134405, 10268810, 20537620]

約数ペア:

[(1, 20537620), (2, 10268810), (4, 5134405), (5, 4107524), (10, 2053762), (20, 1026881), (23, 892940), (46, 446470), (92, 223235), (115, 178588), (230, 89294), (460, 44647)]