20419956

素因数分解:

$2^2\times 3^2\times {\mathrm{103}}^1\times {\mathrm{5507}}^1$

素因数の和:5620

約数の個数: 36

約数和(自身を含む): 52127712

約数和(自身を除く): 31707756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 103, 206, 309, 412, 618, 927, 1236, 1854, 3708, 5507, 11014, 16521, 22028, 33042, 49563, 66084, 99126, 198252, 567221, 1134442, 1701663, 2268884, 3403326, 5104989, 6806652, 10209978, 20419956]

約数ペア:

[(1, 20419956), (2, 10209978), (3, 6806652), (4, 5104989), (6, 3403326), (9, 2268884), (12, 1701663), (18, 1134442), (36, 567221), (103, 198252), (206, 99126), (309, 66084), (412, 49563), (618, 33042), (927, 22028), (1236, 16521), (1854, 11014), (3708, 5507)]