20336220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112979}}^1$

素因数の和:112994

約数の個数: 36

約数和(自身を含む): 61687080

約数和(自身を除く): 41350860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112979, 225958, 338937, 451916, 564895, 677874, 1016811, 1129790, 1355748, 1694685, 2033622, 2259580, 3389370, 4067244, 5084055, 6778740, 10168110, 20336220]

約数ペア:

[(1, 20336220), (2, 10168110), (3, 6778740), (4, 5084055), (5, 4067244), (6, 3389370), (9, 2259580), (10, 2033622), (12, 1694685), (15, 1355748), (18, 1129790), (20, 1016811), (30, 677874), (36, 564895), (45, 451916), (60, 338937), (90, 225958), (180, 112979)]