20997768

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79537}}^1$

素因数の和:79557

約数の個数: 32

約数和(自身を含む): 57267360

約数和(自身を除く): 36269592

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 79537, 159074, 238611, 318148, 477222, 636296, 874907, 954444, 1749814, 1908888, 2624721, 3499628, 5249442, 6999256, 10498884, 20997768]

約数ペア:

[(1, 20997768), (2, 10498884), (3, 6999256), (4, 5249442), (6, 3499628), (8, 2624721), (11, 1908888), (12, 1749814), (22, 954444), (24, 874907), (33, 636296), (44, 477222), (66, 318148), (88, 238611), (132, 159074), (264, 79537)]