20425731

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{829}}^1$

素因数の和:1066

約数の個数: 16

約数和(自身を含む): 28047360

約数和(自身を除く): 7621629

約数列:

[1, 3, 43, 129, 191, 573, 829, 2487, 8213, 24639, 35647, 106941, 158339, 475017, 6808577, 20425731]

約数ペア:

[(1, 20425731), (3, 6808577), (43, 475017), (129, 158339), (191, 106941), (573, 35647), (829, 24639), (2487, 8213)]