20001189

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{4793}}^1$

素因数の和:4916

約数の個数: 16

約数和(自身を含む): 28994112

約数和(自身を除く): 8992923

約数列:

[1, 3, 13, 39, 107, 321, 1391, 4173, 4793, 14379, 62309, 186927, 512851, 1538553, 6667063, 20001189]

約数ペア:

[(1, 20001189), (3, 6667063), (13, 1538553), (39, 512851), (107, 186927), (321, 62309), (1391, 14379), (4173, 4793)]