20120221257

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{2161373}}^1$

素因数の和:2161512

約数の個数: 16

約数和(自身を含む): 28011407040

約数和(自身を除く): 7891185783

約数列:

[1, 3, 29, 87, 107, 321, 3103, 9309, 2161373, 6484119, 62679817, 188039451, 231266911, 693800733, 6706740419, 20120221257]

約数ペア:

[(1, 20120221257), (3, 6706740419), (29, 693800733), (87, 231266911), (107, 188039451), (321, 62679817), (3103, 6484119), (9309, 2161373)]