20478522087

素因数分解:

$3^3\times {\mathrm{1471}}^1\times {\mathrm{515611}}^1$

素因数の和:517091

約数の個数: 16

約数和(自身を含む): 30359234560

約数和(自身を除く): 9880712473

約数列:

[1, 3, 9, 27, 1471, 4413, 13239, 39717, 515611, 1546833, 4640499, 13921497, 758463781, 2275391343, 6826174029, 20478522087]

約数ペア:

[(1, 20478522087), (3, 6826174029), (9, 2275391343), (27, 758463781), (1471, 13921497), (4413, 4640499), (13239, 1546833), (39717, 515611)]