20775780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{115421}}^1$

素因数の和:115436

約数の個数: 36

約数和(自身を含む): 63020412

約数和(自身を除く): 42244632

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 115421, 230842, 346263, 461684, 577105, 692526, 1038789, 1154210, 1385052, 1731315, 2077578, 2308420, 3462630, 4155156, 5193945, 6925260, 10387890, 20775780]

約数ペア:

[(1, 20775780), (2, 10387890), (3, 6925260), (4, 5193945), (5, 4155156), (6, 3462630), (9, 2308420), (10, 2077578), (12, 1731315), (15, 1385052), (18, 1154210), (20, 1038789), (30, 692526), (36, 577105), (45, 461684), (60, 346263), (90, 230842), (180, 115421)]