20519486519

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{40939}}^1$

素因数の和:41199

約数の個数: 24

約数和(自身を含む): 24446584080

約数和(自身を除く): 3927097561

約数列:

[1, 7, 49, 53, 193, 371, 1351, 2597, 9457, 10229, 40939, 71603, 286573, 501221, 2006011, 2169767, 7901227, 15188369, 55308589, 106318583, 387160123, 418765031, 2931355217, 20519486519]

約数ペア:

[(1, 20519486519), (7, 2931355217), (49, 418765031), (53, 387160123), (193, 106318583), (371, 55308589), (1351, 15188369), (2597, 7901227), (9457, 2169767), (10229, 2006011), (40939, 501221), (71603, 286573)]