20278971

素因数分解:

$3^3\times {\mathrm{401}}^1\times {\mathrm{1873}}^1$

素因数の和:2283

約数の個数: 16

約数和(自身を含む): 30133920

約数和(自身を除く): 9854949

約数列:

[1, 3, 9, 27, 401, 1203, 1873, 3609, 5619, 10827, 16857, 50571, 751073, 2253219, 6759657, 20278971]

約数ペア:

[(1, 20278971), (3, 6759657), (9, 2253219), (27, 751073), (401, 50571), (1203, 16857), (1873, 10827), (3609, 5619)]