20193171663

素因数分解:

$3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2471927}}^1$

素因数の和:2472326

約数の個数: 16

約数和(自身を含む): 30849661440

約数和(自身を除く): 10656489777

約数列:

[1, 3, 7, 21, 389, 1167, 2723, 8169, 2471927, 7415781, 17303489, 51910467, 961579603, 2884738809, 6731057221, 20193171663]

約数ペア:

[(1, 20193171663), (3, 6731057221), (7, 2884738809), (21, 961579603), (389, 51910467), (1167, 17303489), (2723, 7415781), (8169, 2471927)]