20379747

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{743}}^1$

素因数の和:1010

約数の個数: 16

約数和(自身を含む): 27998208

約数和(自身を除く): 7618461

約数列:

[1, 3, 41, 123, 223, 669, 743, 2229, 9143, 27429, 30463, 91389, 165689, 497067, 6793249, 20379747]

約数ペア:

[(1, 20379747), (3, 6793249), (41, 497067), (123, 165689), (223, 91389), (669, 30463), (743, 27429), (2229, 9143)]