820121218

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2020003}}^1$

素因数の和:2020041

約数の個数: 16

約数和(自身を含む): 1454402880

約数和(自身を除く): 634281662

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 2020003, 4040006, 14140021, 28280042, 58580087, 117160174, 410060609, 820121218]

約数ペア:

[(1, 820121218), (2, 410060609), (7, 117160174), (14, 58580087), (29, 28280042), (58, 14140021), (203, 4040006), (406, 2020003)]