13389820

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1061}}^1$

素因数の和:1701

約数の個数: 24

約数和(自身を含む): 28189728

約数和(自身を除く): 14799908

約数列:

[1, 2, 4, 5, 10, 20, 631, 1061, 1262, 2122, 2524, 3155, 4244, 5305, 6310, 10610, 12620, 21220, 669491, 1338982, 2677964, 3347455, 6694910, 13389820]

約数ペア:

[(1, 13389820), (2, 6694910), (4, 3347455), (5, 2677964), (10, 1338982), (20, 669491), (631, 21220), (1061, 12620), (1262, 10610), (2122, 6310), (2524, 5305), (3155, 4244)]