20099619

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{311}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 29981952

約数和(自身を除く): 9882333

約数列:

[1, 3, 9, 43, 129, 167, 311, 387, 501, 933, 1503, 2799, 7181, 13373, 21543, 40119, 51937, 64629, 120357, 155811, 467433, 2233291, 6699873, 20099619]

約数ペア:

[(1, 20099619), (3, 6699873), (9, 2233291), (43, 467433), (129, 155811), (167, 120357), (311, 64629), (387, 51937), (501, 40119), (933, 21543), (1503, 13373), (2799, 7181)]