20478522051

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{929}}^1\times {\mathrm{188407}}^1$

素因数の和:189355

約数の個数: 24

約数和(自身を含む): 31889938080

約数和(自身を除く): 11411416029

約数列:

[1, 3, 9, 13, 39, 117, 929, 2787, 8361, 12077, 36231, 108693, 188407, 565221, 1695663, 2449291, 7347873, 22043619, 175030103, 525090309, 1575270927, 2275391339, 6826174017, 20478522051]

約数ペア:

[(1, 20478522051), (3, 6826174017), (9, 2275391339), (13, 1575270927), (39, 525090309), (117, 175030103), (929, 22043619), (2787, 7347873), (8361, 2449291), (12077, 1695663), (36231, 565221), (108693, 188407)]