20011716

素因数分解:

$2^2\times 3^2\times {\mathrm{389}}^1\times {\mathrm{1429}}^1$

素因数の和:1828

約数の個数: 36

約数和(自身を含む): 50750700

約数和(自身を除く): 30738984

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 389, 778, 1167, 1429, 1556, 2334, 2858, 3501, 4287, 4668, 5716, 7002, 8574, 12861, 14004, 17148, 25722, 51444, 555881, 1111762, 1667643, 2223524, 3335286, 5002929, 6670572, 10005858, 20011716]

約数ペア:

[(1, 20011716), (2, 10005858), (3, 6670572), (4, 5002929), (6, 3335286), (9, 2223524), (12, 1667643), (18, 1111762), (36, 555881), (389, 51444), (778, 25722), (1167, 17148), (1429, 14004), (1556, 12861), (2334, 8574), (2858, 7002), (3501, 5716), (4287, 4668)]