20011917

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1\times {\mathrm{311}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 27181440

約数和(自身を除く): 7169523

約数列:

[1, 3, 89, 241, 267, 311, 723, 933, 21449, 27679, 64347, 74951, 83037, 224853, 6670639, 20011917]

約数ペア:

[(1, 20011917), (3, 6670639), (89, 224853), (241, 83037), (267, 74951), (311, 64347), (723, 27679), (933, 21449)]