20404048

素因数分解:

$2^4\times 7^1\times {\mathrm{182179}}^1$

素因数の和:182194

約数の個数: 20

約数和(自身を含む): 45180640

約数和(自身を除く): 24776592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 182179, 364358, 728716, 1275253, 1457432, 2550506, 2914864, 5101012, 10202024, 20404048]

約数ペア:

[(1, 20404048), (2, 10202024), (4, 5101012), (7, 2914864), (8, 2550506), (14, 1457432), (16, 1275253), (28, 728716), (56, 364358), (112, 182179)]