20096215

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{409}}^1$

素因数の和:762

約数の個数: 16

約数和(自身を含む): 25032960

約数和(自身を除く): 4936745

約数列:

[1, 5, 31, 155, 317, 409, 1585, 2045, 9827, 12679, 49135, 63395, 129653, 648265, 4019243, 20096215]

約数ペア:

[(1, 20096215), (5, 4019243), (31, 648265), (155, 129653), (317, 63395), (409, 49135), (1585, 12679), (2045, 9827)]