20145298971

素因数分解:

$3^1\times 7^1\times {\mathrm{1201}}^1\times {\mathrm{798751}}^1$

素因数の和:799962

約数の個数: 16

約数和(自身を含む): 30723196928

約数和(自身を除く): 10577897957

約数列:

[1, 3, 7, 21, 1201, 3603, 8407, 25221, 798751, 2396253, 5591257, 16773771, 959299951, 2877899853, 6715099657, 20145298971]

約数ペア:

[(1, 20145298971), (3, 6715099657), (7, 2877899853), (21, 959299951), (1201, 16773771), (3603, 5591257), (8407, 2396253), (25221, 798751)]