20848866

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 21919134

約数列:

[1, 2, 3, 6, 71, 109, 142, 213, 218, 327, 426, 449, 654, 898, 1347, 2694, 7739, 15478, 23217, 31879, 46434, 48941, 63758, 95637, 97882, 146823, 191274, 293646, 3474811, 6949622, 10424433, 20848866]

約数ペア:

[(1, 20848866), (2, 10424433), (3, 6949622), (6, 3474811), (71, 293646), (109, 191274), (142, 146823), (213, 97882), (218, 95637), (327, 63758), (426, 48941), (449, 46434), (654, 31879), (898, 23217), (1347, 15478), (2694, 7739)]