20559224

素因数分解:

$2^3\times 7^2\times {\mathrm{179}}^1\times {\mathrm{293}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 45246600

約数和(自身を除く): 24687376

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 179, 196, 293, 358, 392, 586, 716, 1172, 1253, 1432, 2051, 2344, 2506, 4102, 5012, 8204, 8771, 10024, 14357, 16408, 17542, 28714, 35084, 52447, 57428, 70168, 104894, 114856, 209788, 367129, 419576, 734258, 1468516, 2569903, 2937032, 5139806, 10279612, 20559224]

約数ペア:

[(1, 20559224), (2, 10279612), (4, 5139806), (7, 2937032), (8, 2569903), (14, 1468516), (28, 734258), (49, 419576), (56, 367129), (98, 209788), (179, 114856), (196, 104894), (293, 70168), (358, 57428), (392, 52447), (586, 35084), (716, 28714), (1172, 17542), (1253, 16408), (1432, 14357), (2051, 10024), (2344, 8771), (2506, 8204), (4102, 5012)]