20121030721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{721003}}^1$

素因数の和:721116

約数の個数: 16

約数和(自身を含む): 22841406720

約数和(自身を除く): 2720375999

約数列:

[1, 11, 43, 59, 473, 649, 2537, 27907, 721003, 7931033, 31003129, 42539177, 341034419, 467930947, 1829184611, 20121030721]

約数ペア:

[(1, 20121030721), (11, 1829184611), (43, 467930947), (59, 341034419), (473, 42539177), (649, 31003129), (2537, 7931033), (27907, 721003)]