20285148

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7649}}^1$

素因数の和:7686

約数の個数: 48

約数和(自身を含む): 53978400

約数和(自身を除く): 33693252

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7649, 15298, 22947, 30596, 45894, 91788, 99437, 130033, 198874, 260066, 298311, 390099, 397748, 520132, 596622, 780198, 1193244, 1560396, 1690429, 3380858, 5071287, 6761716, 10142574, 20285148]

約数ペア:

[(1, 20285148), (2, 10142574), (3, 6761716), (4, 5071287), (6, 3380858), (12, 1690429), (13, 1560396), (17, 1193244), (26, 780198), (34, 596622), (39, 520132), (51, 397748), (52, 390099), (68, 298311), (78, 260066), (102, 198874), (156, 130033), (204, 99437), (221, 91788), (442, 45894), (663, 30596), (884, 22947), (1326, 15298), (2652, 7649)]