20453919

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{653}}^1$

素因数の和:906

約数の個数: 16

約数和(自身を含む): 27970272

約数和(自身を除く): 7516353

約数列:

[1, 3, 53, 159, 197, 591, 653, 1959, 10441, 31323, 34609, 103827, 128641, 385923, 6817973, 20453919]

約数ペア:

[(1, 20453919), (3, 6817973), (53, 385923), (159, 128641), (197, 103827), (591, 34609), (653, 31323), (1959, 10441)]