20119779

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 11329821

約数列:

[1, 3, 9, 23, 27, 69, 179, 181, 207, 537, 543, 621, 1611, 1629, 4117, 4163, 4833, 4887, 12351, 12489, 32399, 37053, 37467, 97197, 111159, 112401, 291591, 745177, 874773, 2235531, 6706593, 20119779]

約数ペア:

[(1, 20119779), (3, 6706593), (9, 2235531), (23, 874773), (27, 745177), (69, 291591), (179, 112401), (181, 111159), (207, 97197), (537, 37467), (543, 37053), (621, 32399), (1611, 12489), (1629, 12351), (4117, 4887), (4163, 4833)]