20684436

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{10979}}^1$

素因数の和:11143

約数の個数: 24

約数和(自身を含む): 48575520

約数和(自身を除く): 27891084

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 10979, 21958, 32937, 43916, 65874, 131748, 1723703, 3447406, 5171109, 6894812, 10342218, 20684436]

約数ペア:

[(1, 20684436), (2, 10342218), (3, 6894812), (4, 5171109), (6, 3447406), (12, 1723703), (157, 131748), (314, 65874), (471, 43916), (628, 32937), (942, 21958), (1884, 10979)]