20199371199

素因数分解:

$3^1\times 7^1\times {\mathrm{16831}}^1\times {\mathrm{57149}}^1$

素因数の和:73990

約数の個数: 16

約数和(自身を含む): 30782361600

約数和(自身を除く): 10582990401

約数列:

[1, 3, 7, 21, 16831, 50493, 57149, 117817, 171447, 353451, 400043, 1200129, 961874819, 2885624457, 6733123733, 20199371199]

約数ペア:

[(1, 20199371199), (3, 6733123733), (7, 2885624457), (21, 961874819), (16831, 1200129), (50493, 400043), (57149, 353451), (117817, 171447)]