20445369

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{10037}}^1$

素因数の和:10144

約数の個数: 16

約数和(自身を含む): 31479168

約数和(自身を除く): 11033799

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 10037, 30111, 70259, 210777, 973589, 2920767, 6815123, 20445369]

約数ペア:

[(1, 20445369), (3, 6815123), (7, 2920767), (21, 973589), (97, 210777), (291, 70259), (679, 30111), (2037, 10037)]