20979552

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19867}}^1$

素因数の和:19891

約数の個数: 48

約数和(自身を含む): 60080832

約数和(自身を除く): 39101280

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 19867, 39734, 59601, 79468, 119202, 158936, 218537, 238404, 317872, 437074, 476808, 635744, 655611, 874148, 953616, 1311222, 1748296, 1907232, 2622444, 3496592, 5244888, 6993184, 10489776, 20979552]

約数ペア:

[(1, 20979552), (2, 10489776), (3, 6993184), (4, 5244888), (6, 3496592), (8, 2622444), (11, 1907232), (12, 1748296), (16, 1311222), (22, 953616), (24, 874148), (32, 655611), (33, 635744), (44, 476808), (48, 437074), (66, 317872), (88, 238404), (96, 218537), (132, 158936), (176, 119202), (264, 79468), (352, 59601), (528, 39734), (1056, 19867)]