11720620

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3881}}^1$

素因数の和:4041

約数の個数: 24

約数和(自身を含む): 24782688

約数和(自身を除く): 13062068

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 3881, 7762, 15524, 19405, 38810, 77620, 586031, 1172062, 2344124, 2930155, 5860310, 11720620]

約数ペア:

[(1, 11720620), (2, 5860310), (4, 2930155), (5, 2344124), (10, 1172062), (20, 586031), (151, 77620), (302, 38810), (604, 19405), (755, 15524), (1510, 7762), (3020, 3881)]