20502540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113903}}^1$

素因数の和:113918

約数の個数: 36

約数和(自身を含む): 62191584

約数和(自身を除く): 41689044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 113903, 227806, 341709, 455612, 569515, 683418, 1025127, 1139030, 1366836, 1708545, 2050254, 2278060, 3417090, 4100508, 5125635, 6834180, 10251270, 20502540]

約数ペア:

[(1, 20502540), (2, 10251270), (3, 6834180), (4, 5125635), (5, 4100508), (6, 3417090), (9, 2278060), (10, 2050254), (12, 1708545), (15, 1366836), (18, 1139030), (20, 1025127), (30, 683418), (36, 569515), (45, 455612), (60, 341709), (90, 227806), (180, 113903)]