20388333

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{10009}}^1$

素因数の和:10116

約数の個数: 16

約数和(自身を含む): 31391360

約数和(自身を除く): 11003027

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 10009, 30027, 70063, 210189, 970873, 2912619, 6796111, 20388333]

約数ペア:

[(1, 20388333), (3, 6796111), (7, 2912619), (21, 970873), (97, 210189), (291, 70063), (679, 30027), (2037, 10009)]