20913540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{348559}}^1$

素因数の和:348571

約数の個数: 24

約数和(自身を含む): 58558080

約数和(自身を除く): 37644540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 348559, 697118, 1045677, 1394236, 1742795, 2091354, 3485590, 4182708, 5228385, 6971180, 10456770, 20913540]

約数ペア:

[(1, 20913540), (2, 10456770), (3, 6971180), (4, 5228385), (5, 4182708), (6, 3485590), (10, 2091354), (12, 1742795), (15, 1394236), (20, 1045677), (30, 697118), (60, 348559)]