20550303

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1009}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 31091840

約数和(自身を除く): 10541537

約数列:

[1, 3, 9, 31, 73, 93, 219, 279, 657, 1009, 2263, 3027, 6789, 9081, 20367, 31279, 73657, 93837, 220971, 281511, 662913, 2283367, 6850101, 20550303]

約数ペア:

[(1, 20550303), (3, 6850101), (9, 2283367), (31, 662913), (73, 281511), (93, 220971), (219, 93837), (279, 73657), (657, 31279), (1009, 20367), (2263, 9081), (3027, 6789)]