20658989827

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{329863}}^1$

素因数の和:330282

約数の個数: 16

約数和(自身を含む): 24700216320

約数和(自身を除く): 4041226493

約数列:

[1, 7, 23, 161, 389, 2723, 8947, 62629, 329863, 2309041, 7586849, 53107943, 128316707, 898216949, 2951284261, 20658989827]

約数ペア:

[(1, 20658989827), (7, 2951284261), (23, 898216949), (161, 128316707), (389, 53107943), (2723, 7586849), (8947, 2309041), (62629, 329863)]