20850190

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{337}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 39424320

約数和(自身を除く): 18574130

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 269, 337, 538, 674, 1345, 1685, 2690, 3370, 6187, 7751, 12374, 15502, 30935, 38755, 61870, 77510, 90653, 181306, 453265, 906530, 2085019, 4170038, 10425095, 20850190]

約数ペア:

[(1, 20850190), (2, 10425095), (5, 4170038), (10, 2085019), (23, 906530), (46, 453265), (115, 181306), (230, 90653), (269, 77510), (337, 61870), (538, 38755), (674, 30935), (1345, 15502), (1685, 12374), (2690, 7751), (3370, 6187)]