20812620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{346877}}^1$

素因数の和:346889

約数の個数: 24

約数和(自身を含む): 58275504

約数和(自身を除く): 37462884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 346877, 693754, 1040631, 1387508, 1734385, 2081262, 3468770, 4162524, 5203155, 6937540, 10406310, 20812620]

約数ペア:

[(1, 20812620), (2, 10406310), (3, 6937540), (4, 5203155), (5, 4162524), (6, 3468770), (10, 2081262), (12, 1734385), (15, 1387508), (20, 1040631), (30, 693754), (60, 346877)]