20516816

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27283}}^1$

素因数の和:27338

約数の個数: 20

約数和(自身を含む): 40598592

約数和(自身を除く): 20081776

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27283, 54566, 109132, 218264, 436528, 1282301, 2564602, 5129204, 10258408, 20516816]

約数ペア:

[(1, 20516816), (2, 10258408), (4, 5129204), (8, 2564602), (16, 1282301), (47, 436528), (94, 218264), (188, 109132), (376, 54566), (752, 27283)]