20016972

素因数分解:

$2^2\times 3^2\times {\mathrm{556027}}^1$

素因数の和:556037

約数の個数: 18

約数和(自身を含む): 50598548

約数和(自身を除く): 30581576

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 556027, 1112054, 1668081, 2224108, 3336162, 5004243, 6672324, 10008486, 20016972]

約数ペア:

[(1, 20016972), (2, 10008486), (3, 6672324), (4, 5004243), (6, 3336162), (9, 2224108), (12, 1668081), (18, 1112054), (36, 556027)]