20162545

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 26562816

約数和(自身を除く): 6400271

約数列:

[1, 5, 13, 65, 107, 169, 223, 535, 845, 1115, 1391, 2899, 6955, 14495, 18083, 23861, 37687, 90415, 119305, 188435, 310193, 1550965, 4032509, 20162545]

約数ペア:

[(1, 20162545), (5, 4032509), (13, 1550965), (65, 310193), (107, 188435), (169, 119305), (223, 90415), (535, 37687), (845, 23861), (1115, 18083), (1391, 14495), (2899, 6955)]