2018345620

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{999181}}^1$

素因数の和:999291

約数の個数: 24

約数和(自身を含む): 4280495688

約数和(自身を除く): 2262150068

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 999181, 1998362, 3996724, 4995905, 9991810, 19983620, 100917281, 201834562, 403669124, 504586405, 1009172810, 2018345620]

約数ペア:

[(1, 2018345620), (2, 1009172810), (4, 504586405), (5, 403669124), (10, 201834562), (20, 100917281), (101, 19983620), (202, 9991810), (404, 4995905), (505, 3996724), (1010, 1998362), (2020, 999181)]