15318220

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2447}}^1$

素因数の和:2769

約数の個数: 24

約数和(自身を含む): 32284224

約数和(自身を除く): 16966004

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 2447, 3130, 4894, 6260, 9788, 12235, 24470, 48940, 765911, 1531822, 3063644, 3829555, 7659110, 15318220]

約数ペア:

[(1, 15318220), (2, 7659110), (4, 3829555), (5, 3063644), (10, 1531822), (20, 765911), (313, 48940), (626, 24470), (1252, 12235), (1565, 9788), (2447, 6260), (3130, 4894)]