20804906

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{19739}}^1$

素因数の和:19789

約数の個数: 16

約数和(自身を含む): 34110720

約数和(自身を除く): 13305814

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 19739, 39478, 335563, 611909, 671126, 1223818, 10402453, 20804906]

約数ペア:

[(1, 20804906), (2, 10402453), (17, 1223818), (31, 671126), (34, 611909), (62, 335563), (527, 39478), (1054, 19739)]