20181147340

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9990667}}^1$

素因数の和:9990777

約数の個数: 24

約数和(自身を含む): 42800021712

約数和(自身を除く): 22618874372

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 9990667, 19981334, 39962668, 49953335, 99906670, 199813340, 1009057367, 2018114734, 4036229468, 5045286835, 10090573670, 20181147340]

約数ペア:

[(1, 20181147340), (2, 10090573670), (4, 5045286835), (5, 4036229468), (10, 2018114734), (20, 1009057367), (101, 199813340), (202, 99906670), (404, 49953335), (505, 39962668), (1010, 19981334), (2020, 9990667)]