20235140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24677}}^1$

素因数の和:24727

約数の個数: 24

約数和(自身を含む): 43531992

約数和(自身を除く): 23296852

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24677, 49354, 98708, 123385, 246770, 493540, 1011757, 2023514, 4047028, 5058785, 10117570, 20235140]

約数ペア:

[(1, 20235140), (2, 10117570), (4, 5058785), (5, 4047028), (10, 2023514), (20, 1011757), (41, 493540), (82, 246770), (164, 123385), (205, 98708), (410, 49354), (820, 24677)]