20499266

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{521}}^1$

素因数の和:817

約数の個数: 16

約数和(自身を含む): 31269888

約数和(自身を除く): 10770622

約数列:

[1, 2, 103, 191, 206, 382, 521, 1042, 19673, 39346, 53663, 99511, 107326, 199022, 10249633, 20499266]

約数ペア:

[(1, 20499266), (2, 10249633), (103, 199022), (191, 107326), (206, 99511), (382, 53663), (521, 39346), (1042, 19673)]