20710866

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2777}}^1$

素因数の和:2906

約数の個数: 32

約数和(自身を含む): 45603648

約数和(自身を除く): 24892782

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 113, 226, 339, 678, 1243, 2486, 2777, 3729, 5554, 7458, 8331, 16662, 30547, 61094, 91641, 183282, 313801, 627602, 941403, 1882806, 3451811, 6903622, 10355433, 20710866]

約数ペア:

[(1, 20710866), (2, 10355433), (3, 6903622), (6, 3451811), (11, 1882806), (22, 941403), (33, 627602), (66, 313801), (113, 183282), (226, 91641), (339, 61094), (678, 30547), (1243, 16662), (2486, 8331), (2777, 7458), (3729, 5554)]