20179919820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{726419}}^1$

素因数の和:726894

約数の個数: 48

約数和(自身を含む): 56625891840

約数和(自身を除く): 36445972020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 463, 926, 1389, 1852, 2315, 2778, 4630, 5556, 6945, 9260, 13890, 27780, 726419, 1452838, 2179257, 2905676, 3632095, 4358514, 7264190, 8717028, 10896285, 14528380, 21792570, 43585140, 336331997, 672663994, 1008995991, 1345327988, 1681659985, 2017991982, 3363319970, 4035983964, 5044979955, 6726639940, 10089959910, 20179919820]

約数ペア:

[(1, 20179919820), (2, 10089959910), (3, 6726639940), (4, 5044979955), (5, 4035983964), (6, 3363319970), (10, 2017991982), (12, 1681659985), (15, 1345327988), (20, 1008995991), (30, 672663994), (60, 336331997), (463, 43585140), (926, 21792570), (1389, 14528380), (1852, 10896285), (2315, 8717028), (2778, 7264190), (4630, 4358514), (5556, 3632095), (6945, 2905676), (9260, 2179257), (13890, 1452838), (27780, 726419)]