19952855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7487}}^1$

素因数の和:7546

約数の個数: 16

約数和(自身を含む): 26417664

約数和(自身を除く): 6464809

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 7487, 37435, 97331, 306967, 486655, 1534835, 3990571, 19952855]

約数ペア:

[(1, 19952855), (5, 3990571), (13, 1534835), (41, 486655), (65, 306967), (205, 97331), (533, 37435), (2665, 7487)]