20173855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2083}}^1$

素因数の和:2250

約数の個数: 16

約数和(自身を含む): 26258400

約数和(自身を除く): 6084545

約数列:

[1, 5, 13, 65, 149, 745, 1937, 2083, 9685, 10415, 27079, 135395, 310367, 1551835, 4034771, 20173855]

約数ペア:

[(1, 20173855), (5, 4034771), (13, 1551835), (65, 310367), (149, 135395), (745, 27079), (1937, 10415), (2083, 9685)]