20282868

素因数分解:

$2^2\times 3^2\times {\mathrm{563413}}^1$

素因数の和:563423

約数の個数: 18

約数和(自身を含む): 51270674

約数和(自身を除く): 30987806

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 563413, 1126826, 1690239, 2253652, 3380478, 5070717, 6760956, 10141434, 20282868]

約数ペア:

[(1, 20282868), (2, 10141434), (3, 6760956), (4, 5070717), (6, 3380478), (9, 2253652), (12, 1690239), (18, 1126826), (36, 563413)]