20751772465

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1613041}}^1$

素因数の和:1613160

約数の個数: 16

約数和(自身を含む): 26015141376

約数和(自身を除く): 5263368911

約数列:

[1, 5, 31, 83, 155, 415, 2573, 12865, 1613041, 8065205, 50004271, 133882403, 250021355, 669412015, 4150354493, 20751772465]

約数ペア:

[(1, 20751772465), (5, 4150354493), (31, 669412015), (83, 250021355), (155, 133882403), (415, 50004271), (2573, 8065205), (12865, 1613041)]