20149345

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1759}}^1$

素因数の和:1872

約数の個数: 16

約数和(自身を含む): 25344000

約数和(自身を除く): 5194655

約数列:

[1, 5, 29, 79, 145, 395, 1759, 2291, 8795, 11455, 51011, 138961, 255055, 694805, 4029869, 20149345]

約数ペア:

[(1, 20149345), (5, 4029869), (29, 694805), (79, 255055), (145, 138961), (395, 51011), (1759, 11455), (2291, 8795)]