20012949

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6521}}^1$

素因数の和:6569

約数の個数: 24

約数和(自身を含む): 32557824

約数和(自身を除く): 12544875

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 279, 341, 1023, 3069, 6521, 19563, 58689, 71731, 202151, 215193, 606453, 645579, 1819359, 2223661, 6670983, 20012949]

約数ペア:

[(1, 20012949), (3, 6670983), (9, 2223661), (11, 1819359), (31, 645579), (33, 606453), (93, 215193), (99, 202151), (279, 71731), (341, 58689), (1023, 19563), (3069, 6521)]