12920660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{22277}}^1$

素因数の和:22315

約数の個数: 24

約数和(自身を含む): 28070280

約数和(自身を除く): 15149620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 22277, 44554, 89108, 111385, 222770, 445540, 646033, 1292066, 2584132, 3230165, 6460330, 12920660]

約数ペア:

[(1, 12920660), (2, 6460330), (4, 3230165), (5, 2584132), (10, 1292066), (20, 646033), (29, 445540), (58, 222770), (116, 111385), (145, 89108), (290, 44554), (580, 22277)]