20153585

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12479}}^1$

素因数の和:12520

約数の個数: 16

約数和(自身を含む): 26956800

約数和(自身を除く): 6803215

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 12479, 62395, 212143, 237101, 1060715, 1185505, 4030717, 20153585]

約数ペア:

[(1, 20153585), (5, 4030717), (17, 1185505), (19, 1060715), (85, 237101), (95, 212143), (323, 62395), (1615, 12479)]