20422865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{2477}}^1$

素因数の和:2596

約数の個数: 16

約数和(自身を含む): 26227152

約数和(自身を除く): 5804287

約数列:

[1, 5, 17, 85, 97, 485, 1649, 2477, 8245, 12385, 42109, 210545, 240269, 1201345, 4084573, 20422865]

約数ペア:

[(1, 20422865), (5, 4084573), (17, 1201345), (85, 240269), (97, 210545), (485, 42109), (1649, 12385), (2477, 8245)]