20407246

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{1049}}^1$

素因数の和:1259

約数の個数: 16

約数和(自身を含む): 31298400

約数和(自身を除く): 10891154

約数列:

[1, 2, 71, 137, 142, 274, 1049, 2098, 9727, 19454, 74479, 143713, 148958, 287426, 10203623, 20407246]

約数ペア:

[(1, 20407246), (2, 10203623), (71, 287426), (137, 148958), (142, 143713), (274, 74479), (1049, 19454), (2098, 9727)]