20853260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{54877}}^1$

素因数の和:54905

約数の個数: 24

約数和(自身を含む): 46097520

約数和(自身を除く): 25244260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 54877, 109754, 219508, 274385, 548770, 1042663, 1097540, 2085326, 4170652, 5213315, 10426630, 20853260]

約数ペア:

[(1, 20853260), (2, 10426630), (4, 5213315), (5, 4170652), (10, 2085326), (19, 1097540), (20, 1042663), (38, 548770), (76, 274385), (95, 219508), (190, 109754), (380, 54877)]