20931512

素因数分解:

$2^3\times 7^1\times {\mathrm{373777}}^1$

素因数の和:373790

約数の個数: 16

約数和(自身を含む): 44853360

約数和(自身を除く): 23921848

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 373777, 747554, 1495108, 2616439, 2990216, 5232878, 10465756, 20931512]

約数ペア:

[(1, 20931512), (2, 10465756), (4, 5232878), (7, 2990216), (8, 2616439), (14, 1495108), (28, 747554), (56, 373777)]