20105514

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 52363584

約数和(自身を除く): 32258070

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 73, 78, 99, 107, 117, 143, 146, 198, 214, 219, 234, 286, 321, 429, 438, 642, 657, 803, 858, 949, 963, 1177, 1287, 1314, 1391, 1606, 1898, 1926, 2354, 2409, 2574, 2782, 2847, 3531, 4173, 4818, 5694, 7062, 7227, 7811, 8346, 8541, 10439, 10593, 12519, 14454, 15301, 15622, 17082, 20878, 21186, 23433, 25038, 30602, 31317, 45903, 46866, 62634, 70299, 85921, 91806, 93951, 101543, 137709, 140598, 171842, 187902, 203086, 257763, 275418, 304629, 515526, 609258, 773289, 913887, 1116973, 1546578, 1827774, 2233946, 3350919, 6701838, 10052757, 20105514]

約数ペア:

[(1, 20105514), (2, 10052757), (3, 6701838), (6, 3350919), (9, 2233946), (11, 1827774), (13, 1546578), (18, 1116973), (22, 913887), (26, 773289), (33, 609258), (39, 515526), (66, 304629), (73, 275418), (78, 257763), (99, 203086), (107, 187902), (117, 171842), (143, 140598), (146, 137709), (198, 101543), (214, 93951), (219, 91806), (234, 85921), (286, 70299), (321, 62634), (429, 46866), (438, 45903), (642, 31317), (657, 30602), (803, 25038), (858, 23433), (949, 21186), (963, 20878), (1177, 17082), (1287, 15622), (1314, 15301), (1391, 14454), (1606, 12519), (1898, 10593), (1926, 10439), (2354, 8541), (2409, 8346), (2574, 7811), (2782, 7227), (2847, 7062), (3531, 5694), (4173, 4818)]