20097728

素因数分解:

$2^6\times 7^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:529

約数の個数: 56

約数和(自身を含む): 46097952

約数和(自身を除く): 26000224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 113, 224, 226, 397, 448, 452, 791, 794, 904, 1582, 1588, 1808, 2779, 3164, 3176, 3616, 5558, 6328, 6352, 7232, 11116, 12656, 12704, 22232, 25312, 25408, 44464, 44861, 50624, 88928, 89722, 177856, 179444, 314027, 358888, 628054, 717776, 1256108, 1435552, 2512216, 2871104, 5024432, 10048864, 20097728]

約数ペア:

[(1, 20097728), (2, 10048864), (4, 5024432), (7, 2871104), (8, 2512216), (14, 1435552), (16, 1256108), (28, 717776), (32, 628054), (56, 358888), (64, 314027), (112, 179444), (113, 177856), (224, 89722), (226, 88928), (397, 50624), (448, 44861), (452, 44464), (791, 25408), (794, 25312), (904, 22232), (1582, 12704), (1588, 12656), (1808, 11116), (2779, 7232), (3164, 6352), (3176, 6328), (3616, 5558)]