20664010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{121553}}^1$

素因数の和:121577

約数の個数: 16

約数和(自身を含む): 39383496

約数和(自身を除く): 18719486

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 121553, 243106, 607765, 1215530, 2066401, 4132802, 10332005, 20664010]

約数ペア:

[(1, 20664010), (2, 10332005), (5, 4132802), (10, 2066401), (17, 1215530), (34, 607765), (85, 243106), (170, 121553)]