20125085

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{607}}^1$

素因数の和:980

約数の個数: 16

約数和(自身を含む): 25536000

約数和(自身を除く): 5410915

約数列:

[1, 5, 19, 95, 349, 607, 1745, 3035, 6631, 11533, 33155, 57665, 211843, 1059215, 4025017, 20125085]

約数ペア:

[(1, 20125085), (5, 4025017), (19, 1059215), (95, 211843), (349, 57665), (607, 33155), (1745, 11533), (3035, 6631)]