20718528

素因数分解:

$2^6\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^2$

素因数の和:166

約数の個数: 84

約数和(自身を含む): 57652920

約数和(自身を除く): 36934392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 61, 64, 87, 96, 116, 122, 174, 183, 192, 232, 244, 348, 366, 464, 488, 696, 732, 928, 976, 1392, 1464, 1769, 1856, 1952, 2784, 2928, 3538, 3721, 3904, 5307, 5568, 5856, 7076, 7442, 10614, 11163, 11712, 14152, 14884, 21228, 22326, 28304, 29768, 42456, 44652, 56608, 59536, 84912, 89304, 107909, 113216, 119072, 169824, 178608, 215818, 238144, 323727, 339648, 357216, 431636, 647454, 714432, 863272, 1294908, 1726544, 2589816, 3453088, 5179632, 6906176, 10359264, 20718528]

約数ペア:

[(1, 20718528), (2, 10359264), (3, 6906176), (4, 5179632), (6, 3453088), (8, 2589816), (12, 1726544), (16, 1294908), (24, 863272), (29, 714432), (32, 647454), (48, 431636), (58, 357216), (61, 339648), (64, 323727), (87, 238144), (96, 215818), (116, 178608), (122, 169824), (174, 119072), (183, 113216), (192, 107909), (232, 89304), (244, 84912), (348, 59536), (366, 56608), (464, 44652), (488, 42456), (696, 29768), (732, 28304), (928, 22326), (976, 21228), (1392, 14884), (1464, 14152), (1769, 11712), (1856, 11163), (1952, 10614), (2784, 7442), (2928, 7076), (3538, 5856), (3721, 5568), (3904, 5307)]