20517408

素因数分解:

$2^5\times 3^3\times {\mathrm{23747}}^1$

素因数の和:23766

約数の個数: 48

約数和(自身を含む): 59844960

約数和(自身を除く): 39327552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864, 23747, 47494, 71241, 94988, 142482, 189976, 213723, 284964, 379952, 427446, 569928, 641169, 759904, 854892, 1139856, 1282338, 1709784, 2279712, 2564676, 3419568, 5129352, 6839136, 10258704, 20517408]

約数ペア:

[(1, 20517408), (2, 10258704), (3, 6839136), (4, 5129352), (6, 3419568), (8, 2564676), (9, 2279712), (12, 1709784), (16, 1282338), (18, 1139856), (24, 854892), (27, 759904), (32, 641169), (36, 569928), (48, 427446), (54, 379952), (72, 284964), (96, 213723), (108, 189976), (144, 142482), (216, 94988), (288, 71241), (432, 47494), (864, 23747)]