20102245

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3877}}^1$

素因数の和:3960

約数の個数: 16

約数和(自身を含む): 25967088

約数和(自身を除く): 5864843

約数列:

[1, 5, 17, 61, 85, 305, 1037, 3877, 5185, 19385, 65909, 236497, 329545, 1182485, 4020449, 20102245]

約数ペア:

[(1, 20102245), (5, 4020449), (17, 1182485), (61, 329545), (85, 236497), (305, 65909), (1037, 19385), (3877, 5185)]