20297220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{338287}}^1$

素因数の和:338299

約数の個数: 24

約数和(自身を含む): 56832384

約数和(自身を除く): 36535164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 338287, 676574, 1014861, 1353148, 1691435, 2029722, 3382870, 4059444, 5074305, 6765740, 10148610, 20297220]

約数ペア:

[(1, 20297220), (2, 10148610), (3, 6765740), (4, 5074305), (5, 4059444), (6, 3382870), (10, 2029722), (12, 1691435), (15, 1353148), (20, 1014861), (30, 676574), (60, 338287)]