20016252

素因数分解:

$2^2\times 3^2\times {\mathrm{556007}}^1$

素因数の和:556017

約数の個数: 18

約数和(自身を含む): 50596728

約数和(自身を除く): 30580476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 556007, 1112014, 1668021, 2224028, 3336042, 5004063, 6672084, 10008126, 20016252]

約数ペア:

[(1, 20016252), (2, 10008126), (3, 6672084), (4, 5004063), (6, 3336042), (9, 2224028), (12, 1668021), (18, 1112014), (36, 556007)]