20653916

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{677}}^1$

素因数の和:973

約数の個数: 24

約数和(自身を含む): 37588320

約数和(自身を除く): 16934404

約数列:

[1, 2, 4, 29, 58, 116, 263, 526, 677, 1052, 1354, 2708, 7627, 15254, 19633, 30508, 39266, 78532, 178051, 356102, 712204, 5163479, 10326958, 20653916]

約数ペア:

[(1, 20653916), (2, 10326958), (4, 5163479), (29, 712204), (58, 356102), (116, 178051), (263, 78532), (526, 39266), (677, 30508), (1052, 19633), (1354, 15254), (2708, 7627)]