20193865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6857}}^1$

素因数の和:6912

約数の個数: 16

約数和(自身を含む): 26334720

約数和(自身を除く): 6140855

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 6857, 34285, 130283, 212567, 651415, 1062835, 4038773, 20193865]

約数ペア:

[(1, 20193865), (5, 4038773), (19, 1062835), (31, 651415), (95, 212567), (155, 130283), (589, 34285), (2945, 6857)]