1996220

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{661}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 4226208

約数和(自身を除く): 2229988

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 661, 755, 1322, 1510, 2644, 3020, 3305, 6610, 13220, 99811, 199622, 399244, 499055, 998110, 1996220]

約数ペア:

[(1, 1996220), (2, 998110), (4, 499055), (5, 399244), (10, 199622), (20, 99811), (151, 13220), (302, 6610), (604, 3305), (661, 3020), (755, 2644), (1322, 1510)]