20876709

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43223}}^1$

素因数の和:43256

約数の個数: 16

約数和(自身を含む): 33196032

約数和(自身を除く): 12319323

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 43223, 129669, 302561, 907683, 994129, 2982387, 6958903, 20876709]

約数ペア:

[(1, 20876709), (3, 6958903), (7, 2982387), (21, 994129), (23, 907683), (69, 302561), (161, 129669), (483, 43223)]