20180785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1733}}^1$

素因数の和:1892

約数の個数: 16

約数和(自身を含む): 25843536

約数和(自身を除く): 5662751

約数列:

[1, 5, 17, 85, 137, 685, 1733, 2329, 8665, 11645, 29461, 147305, 237421, 1187105, 4036157, 20180785]

約数ペア:

[(1, 20180785), (5, 4036157), (17, 1187105), (85, 237421), (137, 147305), (685, 29461), (1733, 11645), (2329, 8665)]