20206575

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2897}}^1$

素因数の和:2944

約数の個数: 36

約数和(自身を含む): 37372608

約数和(自身を除く): 17166033

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 1395, 2325, 2897, 6975, 8691, 14485, 26073, 43455, 72425, 89807, 130365, 217275, 269421, 449035, 651825, 808263, 1347105, 2245175, 4041315, 6735525, 20206575]

約数ペア:

[(1, 20206575), (3, 6735525), (5, 4041315), (9, 2245175), (15, 1347105), (25, 808263), (31, 651825), (45, 449035), (75, 269421), (93, 217275), (155, 130365), (225, 89807), (279, 72425), (465, 43455), (775, 26073), (1395, 14485), (2325, 8691), (2897, 6975)]