20145841359

素因数分解:

$3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1491953}}^1$

素因数の和:1492606

約数の個数: 16

約数和(自身を含む): 30746188032

約数和(自身を除く): 10600346673

約数列:

[1, 3, 7, 21, 643, 1929, 4501, 13503, 1491953, 4475859, 10443671, 31331013, 959325779, 2877977337, 6715280453, 20145841359]

約数ペア:

[(1, 20145841359), (3, 6715280453), (7, 2877977337), (21, 959325779), (643, 31331013), (1929, 10443671), (4501, 4475859), (13503, 1491953)]