20469492

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{7789}}^1$

素因数の和:7872

約数の個数: 36

約数和(自身を含む): 52457860

約数和(自身を除く): 31988368

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 292, 438, 657, 876, 1314, 2628, 7789, 15578, 23367, 31156, 46734, 70101, 93468, 140202, 280404, 568597, 1137194, 1705791, 2274388, 3411582, 5117373, 6823164, 10234746, 20469492]

約数ペア:

[(1, 20469492), (2, 10234746), (3, 6823164), (4, 5117373), (6, 3411582), (9, 2274388), (12, 1705791), (18, 1137194), (36, 568597), (73, 280404), (146, 140202), (219, 93468), (292, 70101), (438, 46734), (657, 31156), (876, 23367), (1314, 15578), (2628, 7789)]