20428848

素因数分解:

$2^4\times 3^4\times {\mathrm{11}}^1\times {\mathrm{1433}}^1$

素因数の和:1464

約数の個数: 100

約数和(自身を含む): 64547208

約数和(自身を除く): 44118360

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 81, 88, 99, 108, 132, 144, 162, 176, 198, 216, 264, 297, 324, 396, 432, 528, 594, 648, 792, 891, 1188, 1296, 1433, 1584, 1782, 2376, 2866, 3564, 4299, 4752, 5732, 7128, 8598, 11464, 12897, 14256, 15763, 17196, 22928, 25794, 31526, 34392, 38691, 47289, 51588, 63052, 68784, 77382, 94578, 103176, 116073, 126104, 141867, 154764, 189156, 206352, 232146, 252208, 283734, 309528, 378312, 425601, 464292, 567468, 619056, 756624, 851202, 928584, 1134936, 1276803, 1702404, 1857168, 2269872, 2553606, 3404808, 5107212, 6809616, 10214424, 20428848]

約数ペア:

[(1, 20428848), (2, 10214424), (3, 6809616), (4, 5107212), (6, 3404808), (8, 2553606), (9, 2269872), (11, 1857168), (12, 1702404), (16, 1276803), (18, 1134936), (22, 928584), (24, 851202), (27, 756624), (33, 619056), (36, 567468), (44, 464292), (48, 425601), (54, 378312), (66, 309528), (72, 283734), (81, 252208), (88, 232146), (99, 206352), (108, 189156), (132, 154764), (144, 141867), (162, 126104), (176, 116073), (198, 103176), (216, 94578), (264, 77382), (297, 68784), (324, 63052), (396, 51588), (432, 47289), (528, 38691), (594, 34392), (648, 31526), (792, 25794), (891, 22928), (1188, 17196), (1296, 15763), (1433, 14256), (1584, 12897), (1782, 11464), (2376, 8598), (2866, 7128), (3564, 5732), (4299, 4752)]