20451906

素因数分解:

$2^1\times 3^3\times {\mathrm{378739}}^1$

素因数の和:378750

約数の個数: 16

約数和(自身を含む): 45448800

約数和(自身を除く): 24996894

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 378739, 757478, 1136217, 2272434, 3408651, 6817302, 10225953, 20451906]

約数ペア:

[(1, 20451906), (2, 10225953), (3, 6817302), (6, 3408651), (9, 2272434), (18, 1136217), (27, 757478), (54, 378739)]