20565584163

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1\times {\mathrm{2131}}^1$

素因数の和:2644

約数の個数: 48

約数和(自身を含む): 31019082016

約数和(自身を除く): 10453497853

約数列:

[1, 3, 9, 37, 73, 111, 219, 333, 397, 657, 1191, 2131, 2701, 3573, 6393, 8103, 14689, 19179, 24309, 28981, 44067, 78847, 86943, 132201, 155563, 236541, 260829, 466689, 709623, 846007, 1072297, 1400067, 2538021, 3216891, 5755831, 7614063, 9650673, 17267493, 31302259, 51802479, 61758511, 93906777, 185275533, 281720331, 555826599, 2285064907, 6855194721, 20565584163]

約数ペア:

[(1, 20565584163), (3, 6855194721), (9, 2285064907), (37, 555826599), (73, 281720331), (111, 185275533), (219, 93906777), (333, 61758511), (397, 51802479), (657, 31302259), (1191, 17267493), (2131, 9650673), (2701, 7614063), (3573, 5755831), (6393, 3216891), (8103, 2538021), (14689, 1400067), (19179, 1072297), (24309, 846007), (28981, 709623), (44067, 466689), (78847, 260829), (86943, 236541), (132201, 155563)]