20666280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172219}}^1$

素因数の和:172233

約数の個数: 32

約数和(自身を含む): 61999200

約数和(自身を除く): 41332920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172219, 344438, 516657, 688876, 861095, 1033314, 1377752, 1722190, 2066628, 2583285, 3444380, 4133256, 5166570, 6888760, 10333140, 20666280]

約数ペア:

[(1, 20666280), (2, 10333140), (3, 6888760), (4, 5166570), (5, 4133256), (6, 3444380), (8, 2583285), (10, 2066628), (12, 1722190), (15, 1377752), (20, 1033314), (24, 861095), (30, 688876), (40, 516657), (60, 344438), (120, 172219)]