20394978

素因数分解:

$2^1\times 3^1\times {\mathrm{571}}^1\times {\mathrm{5953}}^1$

素因数の和:6529

約数の個数: 16

約数和(自身を含む): 40868256

約数和(自身を除く): 20473278

約数列:

[1, 2, 3, 6, 571, 1142, 1713, 3426, 5953, 11906, 17859, 35718, 3399163, 6798326, 10197489, 20394978]

約数ペア:

[(1, 20394978), (2, 10197489), (3, 6798326), (6, 3399163), (571, 35718), (1142, 17859), (1713, 11906), (3426, 5953)]