20696065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10271}}^1$

素因数の和:10320

約数の個数: 16

約数和(自身を含む): 27611136

約数和(自身を除く): 6915071

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 10271, 51355, 133523, 318401, 667615, 1592005, 4139213, 20696065]

約数ペア:

[(1, 20696065), (5, 4139213), (13, 1592005), (31, 667615), (65, 318401), (155, 133523), (403, 51355), (2015, 10271)]