20655065

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{359}}^1$

素因数の和:712

約数の個数: 16

約数和(自身を含む): 25608960

約数和(自身を除く): 4953895

約数列:

[1, 5, 37, 185, 311, 359, 1555, 1795, 11507, 13283, 57535, 66415, 111649, 558245, 4131013, 20655065]

約数ペア:

[(1, 20655065), (5, 4131013), (37, 558245), (185, 111649), (311, 66415), (359, 57535), (1555, 13283), (1795, 11507)]