20908518

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1193}}^1$

素因数の和:1348

約数の個数: 32

約数和(自身を含む): 44015616

約数和(自身を除く): 23107098

約数列:

[1, 2, 3, 6, 23, 46, 69, 127, 138, 254, 381, 762, 1193, 2386, 2921, 3579, 5842, 7158, 8763, 17526, 27439, 54878, 82317, 151511, 164634, 303022, 454533, 909066, 3484753, 6969506, 10454259, 20908518]

約数ペア:

[(1, 20908518), (2, 10454259), (3, 6969506), (6, 3484753), (23, 909066), (46, 454533), (69, 303022), (127, 164634), (138, 151511), (254, 82317), (381, 54878), (762, 27439), (1193, 17526), (2386, 8763), (2921, 7158), (3579, 5842)]