20473999

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4787}}^1$

素因数の和:4854

約数の個数: 16

約数和(自身を含む): 25740288

約数和(自身を除く): 5266289

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 4787, 33509, 62231, 224989, 435617, 1574923, 2924857, 20473999]

約数ペア:

[(1, 20473999), (7, 2924857), (13, 1574923), (47, 435617), (91, 224989), (329, 62231), (611, 33509), (4277, 4787)]