20741336

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3061}}^1$

素因数の和:3096

約数の個数: 48

約数和(自身を含む): 48869520

約数和(自身を除く): 28128184

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 3061, 3388, 6122, 6776, 12244, 21427, 24488, 33671, 42854, 67342, 85708, 134684, 171416, 235697, 269368, 370381, 471394, 740762, 942788, 1481524, 1885576, 2592667, 2963048, 5185334, 10370668, 20741336]

約数ペア:

[(1, 20741336), (2, 10370668), (4, 5185334), (7, 2963048), (8, 2592667), (11, 1885576), (14, 1481524), (22, 942788), (28, 740762), (44, 471394), (56, 370381), (77, 269368), (88, 235697), (121, 171416), (154, 134684), (242, 85708), (308, 67342), (484, 42854), (616, 33671), (847, 24488), (968, 21427), (1694, 12244), (3061, 6776), (3388, 6122)]