20993886

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{28447}}^1$

素因数の和:28496

約数の個数: 24

約数和(自身を含む): 46597824

約数和(自身を除く): 25603938

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 28447, 56894, 85341, 170682, 256023, 512046, 1166327, 2332654, 3498981, 6997962, 10496943, 20993886]

約数ペア:

[(1, 20993886), (2, 10496943), (3, 6997962), (6, 3498981), (9, 2332654), (18, 1166327), (41, 512046), (82, 256023), (123, 170682), (246, 85341), (369, 56894), (738, 28447)]