20704203

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{569}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 32366880

約数和(自身を除く): 11662677

約数列:

[1, 3, 9, 13, 39, 117, 311, 569, 933, 1707, 2799, 4043, 5121, 7397, 12129, 22191, 36387, 66573, 176959, 530877, 1592631, 2300467, 6901401, 20704203]

約数ペア:

[(1, 20704203), (3, 6901401), (9, 2300467), (13, 1592631), (39, 530877), (117, 176959), (311, 66573), (569, 36387), (933, 22191), (1707, 12129), (2799, 7397), (4043, 5121)]