20635245

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3299}}^1$

素因数の和:3449

約数の個数: 24

約数和(自身を含む): 36036000

約数和(自身を除く): 15400755

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 3299, 6255, 9897, 16495, 29691, 49485, 148455, 458561, 1375683, 2292805, 4127049, 6878415, 20635245]

約数ペア:

[(1, 20635245), (3, 6878415), (5, 4127049), (9, 2292805), (15, 1375683), (45, 458561), (139, 148455), (417, 49485), (695, 29691), (1251, 16495), (2085, 9897), (3299, 6255)]