20204517

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{2011}}^1$

素因数の和:2228

約数の個数: 16

約数和(自身を含む): 28683072

約数和(自身を除く): 8478555

約数列:

[1, 3, 17, 51, 197, 591, 2011, 3349, 6033, 10047, 34187, 102561, 396167, 1188501, 6734839, 20204517]

約数ペア:

[(1, 20204517), (3, 6734839), (17, 1188501), (51, 396167), (197, 102561), (591, 34187), (2011, 10047), (3349, 6033)]