20811152

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11933}}^1$

素因数の和:12050

約数の個数: 20

約数和(自身を含む): 40694940

約数和(自身を除く): 19883788

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11933, 23866, 47732, 95464, 190928, 1300697, 2601394, 5202788, 10405576, 20811152]

約数ペア:

[(1, 20811152), (2, 10405576), (4, 5202788), (8, 2601394), (16, 1300697), (109, 190928), (218, 95464), (436, 47732), (872, 23866), (1744, 11933)]