20418978

素因数分解:

$2^1\times 3^1\times {\mathrm{953}}^1\times {\mathrm{3571}}^1$

素因数の和:4529

約数の個数: 16

約数和(自身を含む): 40892256

約数和(自身を除く): 20473278

約数列:

[1, 2, 3, 6, 953, 1906, 2859, 3571, 5718, 7142, 10713, 21426, 3403163, 6806326, 10209489, 20418978]

約数ペア:

[(1, 20418978), (2, 10209489), (3, 6806326), (6, 3403163), (953, 21426), (1906, 10713), (2859, 7142), (3571, 5718)]