20515692769

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8439199}}^1$

素因数の和:8439240

約数の個数: 16

約数和(自身を含む): 25520140800

約数和(自身を除く): 5004448031

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 8439199, 92831189, 109709587, 143466383, 1206805457, 1578130213, 1865062979, 20515692769]

約数ペア:

[(1, 20515692769), (11, 1865062979), (13, 1578130213), (17, 1206805457), (143, 143466383), (187, 109709587), (221, 92831189), (2431, 8439199)]