20943648

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^2\times {\mathrm{601}}^1$

素因数の和:639

約数の個数: 108

約数和(自身を含む): 65574054

約数和(自身を除く): 44630406

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 121, 132, 144, 176, 198, 242, 264, 288, 352, 363, 396, 484, 528, 601, 726, 792, 968, 1056, 1089, 1202, 1452, 1584, 1803, 1936, 2178, 2404, 2904, 3168, 3606, 3872, 4356, 4808, 5409, 5808, 6611, 7212, 8712, 9616, 10818, 11616, 13222, 14424, 17424, 19232, 19833, 21636, 26444, 28848, 34848, 39666, 43272, 52888, 57696, 59499, 72721, 79332, 86544, 105776, 118998, 145442, 158664, 173088, 211552, 218163, 237996, 290884, 317328, 436326, 475992, 581768, 634656, 654489, 872652, 951984, 1163536, 1308978, 1745304, 1903968, 2327072, 2617956, 3490608, 5235912, 6981216, 10471824, 20943648]

約数ペア:

[(1, 20943648), (2, 10471824), (3, 6981216), (4, 5235912), (6, 3490608), (8, 2617956), (9, 2327072), (11, 1903968), (12, 1745304), (16, 1308978), (18, 1163536), (22, 951984), (24, 872652), (32, 654489), (33, 634656), (36, 581768), (44, 475992), (48, 436326), (66, 317328), (72, 290884), (88, 237996), (96, 218163), (99, 211552), (121, 173088), (132, 158664), (144, 145442), (176, 118998), (198, 105776), (242, 86544), (264, 79332), (288, 72721), (352, 59499), (363, 57696), (396, 52888), (484, 43272), (528, 39666), (601, 34848), (726, 28848), (792, 26444), (968, 21636), (1056, 19833), (1089, 19232), (1202, 17424), (1452, 14424), (1584, 13222), (1803, 11616), (1936, 10818), (2178, 9616), (2404, 8712), (2904, 7212), (3168, 6611), (3606, 5808), (3872, 5409), (4356, 4808)]