20704671

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{653}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 32375616

約数和(自身を除く): 11670945

約数列:

[1, 3, 9, 13, 39, 117, 271, 653, 813, 1959, 2439, 3523, 5877, 8489, 10569, 25467, 31707, 76401, 176963, 530889, 1592667, 2300519, 6901557, 20704671]

約数ペア:

[(1, 20704671), (3, 6901557), (9, 2300519), (13, 1592667), (39, 530889), (117, 176963), (271, 76401), (653, 31707), (813, 25467), (1959, 10569), (2439, 8489), (3523, 5877)]