20128948

素因数分解:

$2^2\times 7^1\times {\mathrm{383}}^1\times {\mathrm{1877}}^1$

素因数の和:2271

約数の個数: 24

約数和(自身を含む): 40384512

約数和(自身を除く): 20255564

約数列:

[1, 2, 4, 7, 14, 28, 383, 766, 1532, 1877, 2681, 3754, 5362, 7508, 10724, 13139, 26278, 52556, 718891, 1437782, 2875564, 5032237, 10064474, 20128948]

約数ペア:

[(1, 20128948), (2, 10064474), (4, 5032237), (7, 2875564), (14, 1437782), (28, 718891), (383, 52556), (766, 26278), (1532, 13139), (1877, 10724), (2681, 7508), (3754, 5362)]