19788060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{329801}}^1$

素因数の和:329813

約数の個数: 24

約数和(自身を含む): 55406736

約数和(自身を除く): 35618676

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 329801, 659602, 989403, 1319204, 1649005, 1978806, 3298010, 3957612, 4947015, 6596020, 9894030, 19788060]

約数ペア:

[(1, 19788060), (2, 9894030), (3, 6596020), (4, 4947015), (5, 3957612), (6, 3298010), (10, 1978806), (12, 1649005), (15, 1319204), (20, 989403), (30, 659602), (60, 329801)]