20922055

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1753}}^1$

素因数の和:1807

約数の個数: 32

約数和(自身を含む): 32329728

約数和(自身を除く): 11407673

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1085, 1705, 1753, 2387, 8765, 11935, 12271, 19283, 54343, 61355, 96415, 134981, 271715, 380401, 597773, 674905, 1902005, 2988865, 4184411, 20922055]

約数ペア:

[(1, 20922055), (5, 4184411), (7, 2988865), (11, 1902005), (31, 674905), (35, 597773), (55, 380401), (77, 271715), (155, 134981), (217, 96415), (341, 61355), (385, 54343), (1085, 19283), (1705, 12271), (1753, 11935), (2387, 8765)]