20995694

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{743}}^1$

素因数の和:1015

約数の個数: 16

約数和(自身を含む): 32140800

約数和(自身を除く): 11145106

約数列:

[1, 2, 71, 142, 199, 398, 743, 1486, 14129, 28258, 52753, 105506, 147857, 295714, 10497847, 20995694]

約数ペア:

[(1, 20995694), (2, 10497847), (71, 295714), (142, 147857), (199, 105506), (398, 52753), (743, 28258), (1486, 14129)]