20455788

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1367}}^1$

素因数の和:1446

約数の個数: 48

約数和(自身を含む): 50561280

約数和(自身を除く): 30105492

約数列:

[1, 2, 3, 4, 6, 12, 29, 43, 58, 86, 87, 116, 129, 172, 174, 258, 348, 516, 1247, 1367, 2494, 2734, 3741, 4101, 4988, 5468, 7482, 8202, 14964, 16404, 39643, 58781, 79286, 117562, 118929, 158572, 176343, 235124, 237858, 352686, 475716, 705372, 1704649, 3409298, 5113947, 6818596, 10227894, 20455788]

約数ペア:

[(1, 20455788), (2, 10227894), (3, 6818596), (4, 5113947), (6, 3409298), (12, 1704649), (29, 705372), (43, 475716), (58, 352686), (86, 237858), (87, 235124), (116, 176343), (129, 158572), (172, 118929), (174, 117562), (258, 79286), (348, 58781), (516, 39643), (1247, 16404), (1367, 14964), (2494, 8202), (2734, 7482), (3741, 5468), (4101, 4988)]