20914864

素因数分解:

$2^4\times {\mathrm{383}}^1\times {\mathrm{3413}}^1$

素因数の和:3804

約数の個数: 20

約数和(自身を含む): 40640256

約数和(自身を除く): 19725392

約数列:

[1, 2, 4, 8, 16, 383, 766, 1532, 3064, 3413, 6128, 6826, 13652, 27304, 54608, 1307179, 2614358, 5228716, 10457432, 20914864]

約数ペア:

[(1, 20914864), (2, 10457432), (4, 5228716), (8, 2614358), (16, 1307179), (383, 54608), (766, 27304), (1532, 13652), (3064, 6826), (3413, 6128)]