20090906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53719}}^1$

素因数の和:53749

約数の個数: 16

約数和(自身を含む): 34810560

約数和(自身を除く): 14719654

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 53719, 107438, 590909, 913223, 1181818, 1826446, 10045453, 20090906]

約数ペア:

[(1, 20090906), (2, 10045453), (11, 1826446), (17, 1181818), (22, 913223), (34, 590909), (187, 107438), (374, 53719)]