20715852

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2113}}^1$

素因数の和:2182

約数の個数: 48

約数和(自身を含む): 52088960

約数和(自身を除く): 31373108

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1634, 2113, 2451, 3268, 4226, 4902, 6339, 8452, 9804, 12678, 25356, 40147, 80294, 90859, 120441, 160588, 181718, 240882, 272577, 363436, 481764, 545154, 1090308, 1726321, 3452642, 5178963, 6905284, 10357926, 20715852]

約数ペア:

[(1, 20715852), (2, 10357926), (3, 6905284), (4, 5178963), (6, 3452642), (12, 1726321), (19, 1090308), (38, 545154), (43, 481764), (57, 363436), (76, 272577), (86, 240882), (114, 181718), (129, 160588), (172, 120441), (228, 90859), (258, 80294), (516, 40147), (817, 25356), (1634, 12678), (2113, 9804), (2451, 8452), (3268, 6339), (4226, 4902)]