20218557107

素因数分解:

$7^1\times {\mathrm{179}}^1\times {\mathrm{523}}^1\times {\mathrm{30853}}^1$

素因数の和:31562

約数の個数: 16

約数和(自身を含む): 23281194240

約数和(自身を除く): 3062637133

約数列:

[1, 7, 179, 523, 1253, 3661, 30853, 93617, 215971, 655319, 5522687, 16136119, 38658809, 112952833, 2888365301, 20218557107]

約数ペア:

[(1, 20218557107), (7, 2888365301), (179, 112952833), (523, 38658809), (1253, 16136119), (3661, 5522687), (30853, 655319), (93617, 215971)]