20136519

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{1471}}^1$

素因数の和:1509

約数の個数: 30

約数和(自身を含む): 32594496

約数和(自身を除く): 12457977

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 169, 351, 507, 1053, 1471, 1521, 4413, 4563, 13239, 13689, 19123, 39717, 57369, 119151, 172107, 248599, 516321, 745797, 1548963, 2237391, 6712173, 20136519]

約数ペア:

[(1, 20136519), (3, 6712173), (9, 2237391), (13, 1548963), (27, 745797), (39, 516321), (81, 248599), (117, 172107), (169, 119151), (351, 57369), (507, 39717), (1053, 19123), (1471, 13689), (1521, 13239), (4413, 4563)]