20598970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2857}}^1$

素因数の和:2974

約数の個数: 32

約数和(自身を含む): 42801408

約数和(自身を除く): 22202438

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 2857, 3605, 5714, 7210, 14285, 19999, 28570, 39998, 99995, 199990, 294271, 588542, 1471355, 2059897, 2942710, 4119794, 10299485, 20598970]

約数ペア:

[(1, 20598970), (2, 10299485), (5, 4119794), (7, 2942710), (10, 2059897), (14, 1471355), (35, 588542), (70, 294271), (103, 199990), (206, 99995), (515, 39998), (721, 28570), (1030, 19999), (1442, 14285), (2857, 7210), (3605, 5714)]