20402104

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{110881}}^1$

素因数の和:110910

約数の個数: 16

約数和(自身を含む): 39917520

約数和(自身を除く): 19515416

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 110881, 221762, 443524, 887048, 2550263, 5100526, 10201052, 20402104]

約数ペア:

[(1, 20402104), (2, 10201052), (4, 5100526), (8, 2550263), (23, 887048), (46, 443524), (92, 221762), (184, 110881)]