20084098489

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{643453}}^1$

素因数の和:643494

約数の個数: 20

約数和(自身を含む): 25232405156

約数和(自身を除く): 5148306667

約数列:

[1, 7, 13, 49, 91, 343, 637, 2401, 4459, 31213, 643453, 4504171, 8364889, 31529197, 58554223, 220704379, 409879561, 1544930653, 2869156927, 20084098489]

約数ペア:

[(1, 20084098489), (7, 2869156927), (13, 1544930653), (49, 409879561), (91, 220704379), (343, 58554223), (637, 31529197), (2401, 8364889), (4459, 4504171), (31213, 643453)]