20038140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111323}}^1$

素因数の和:111338

約数の個数: 36

約数和(自身を含む): 60782904

約数和(自身を除く): 40744764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111323, 222646, 333969, 445292, 556615, 667938, 1001907, 1113230, 1335876, 1669845, 2003814, 2226460, 3339690, 4007628, 5009535, 6679380, 10019070, 20038140]

約数ペア:

[(1, 20038140), (2, 10019070), (3, 6679380), (4, 5009535), (5, 4007628), (6, 3339690), (9, 2226460), (10, 2003814), (12, 1669845), (15, 1335876), (18, 1113230), (20, 1001907), (30, 667938), (36, 556615), (45, 445292), (60, 333969), (90, 222646), (180, 111323)]