20166295

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1787}}^1$

素因数の和:1890

約数の個数: 16

約数和(自身を含む): 25275168

約数和(自身を除く): 5108873

約数列:

[1, 5, 37, 61, 185, 305, 1787, 2257, 8935, 11285, 66119, 109007, 330595, 545035, 4033259, 20166295]

約数ペア:

[(1, 20166295), (5, 4033259), (37, 545035), (61, 330595), (185, 109007), (305, 66119), (1787, 11285), (2257, 8935)]