20500308

素因数分解:

$2^2\times 3^2\times {\mathrm{521}}^1\times {\mathrm{1093}}^1$

素因数の和:1624

約数の個数: 36

約数和(自身を含む): 51967188

約数和(自身を除く): 31466880

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 521, 1042, 1093, 1563, 2084, 2186, 3126, 3279, 4372, 4689, 6252, 6558, 9378, 9837, 13116, 18756, 19674, 39348, 569453, 1138906, 1708359, 2277812, 3416718, 5125077, 6833436, 10250154, 20500308]

約数ペア:

[(1, 20500308), (2, 10250154), (3, 6833436), (4, 5125077), (6, 3416718), (9, 2277812), (12, 1708359), (18, 1138906), (36, 569453), (521, 39348), (1042, 19674), (1093, 18756), (1563, 13116), (2084, 9837), (2186, 9378), (3126, 6558), (3279, 6252), (4372, 4689)]