20382921

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{1489}}^1$

素因数の和:1527

約数の個数: 30

約数和(自身を含む): 32993070

約数和(自身を除く): 12610149

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 169, 351, 507, 1053, 1489, 1521, 4467, 4563, 13401, 13689, 19357, 40203, 58071, 120609, 174213, 251641, 522639, 754923, 1567917, 2264769, 6794307, 20382921]

約数ペア:

[(1, 20382921), (3, 6794307), (9, 2264769), (13, 1567917), (27, 754923), (39, 522639), (81, 251641), (117, 174213), (169, 120609), (351, 58071), (507, 40203), (1053, 19357), (1489, 13689), (1521, 13401), (4467, 4563)]