20521202

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{5227}}^1$

素因数の和:5393

約数の個数: 16

約数和(自身を含む): 33375552

約数和(自身を除く): 12854350

約数列:

[1, 2, 13, 26, 151, 302, 1963, 3926, 5227, 10454, 67951, 135902, 789277, 1578554, 10260601, 20521202]

約数ペア:

[(1, 20521202), (2, 10260601), (13, 1578554), (26, 789277), (151, 135902), (302, 67951), (1963, 10454), (3926, 5227)]