20112805

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{2351}}^1$

素因数の和:2444

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 5288795

約数列:

[1, 5, 29, 59, 145, 295, 1711, 2351, 8555, 11755, 68179, 138709, 340895, 693545, 4022561, 20112805]

約数ペア:

[(1, 20112805), (5, 4022561), (29, 693545), (59, 340895), (145, 138709), (295, 68179), (1711, 11755), (2351, 8555)]