20109167

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 22522752

約数和(自身を除く): 2413585

約数列:

[1, 13, 37, 97, 431, 481, 1261, 3589, 5603, 15947, 41807, 46657, 207311, 543491, 1546859, 20109167]

約数ペア:

[(1, 20109167), (13, 1546859), (37, 543491), (97, 207311), (431, 46657), (481, 41807), (1261, 15947), (3589, 5603)]