20199665275

素因数分解:

$5^2\times {\mathrm{419}}^1\times {\mathrm{1928369}}^1$

素因数の和:1928798

約数の個数: 12

約数和(自身を含む): 25107377400

約数和(自身を除く): 4907712125

約数列:

[1, 5, 25, 419, 2095, 10475, 1928369, 9641845, 48209225, 807986611, 4039933055, 20199665275]

約数ペア:

[(1, 20199665275), (5, 4039933055), (25, 807986611), (419, 48209225), (2095, 9641845), (10475, 1928369)]