20178382030

素因数分解:

$2^1\times 5^1\times {\mathrm{3923}}^1\times {\mathrm{514361}}^1$

素因数の和:518291

約数の個数: 16

約数和(自身を含む): 36330416784

約数和(自身を除く): 16152034754

約数列:

[1, 2, 5, 10, 3923, 7846, 19615, 39230, 514361, 1028722, 2571805, 5143610, 2017838203, 4035676406, 10089191015, 20178382030]

約数ペア:

[(1, 20178382030), (2, 10089191015), (5, 4035676406), (10, 2017838203), (3923, 5143610), (7846, 2571805), (19615, 1028722), (39230, 514361)]