20486037

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 34630848

約数和(自身を除く): 14144811

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 53, 143, 159, 187, 221, 429, 561, 583, 663, 689, 901, 1749, 2067, 2431, 2703, 2809, 7293, 7579, 8427, 9911, 11713, 22737, 29733, 30899, 35139, 36517, 47753, 92697, 109551, 128843, 143259, 386529, 401687, 525283, 620789, 1205061, 1575849, 1862367, 6828679, 20486037]

約数ペア:

[(1, 20486037), (3, 6828679), (11, 1862367), (13, 1575849), (17, 1205061), (33, 620789), (39, 525283), (51, 401687), (53, 386529), (143, 143259), (159, 128843), (187, 109551), (221, 92697), (429, 47753), (561, 36517), (583, 35139), (663, 30899), (689, 29733), (901, 22737), (1749, 11713), (2067, 9911), (2431, 8427), (2703, 7579), (2809, 7293)]