20517610

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2411}}^1$

素因数の和:2478

約数の個数: 32

約数和(自身を含む): 39595392

約数和(自身を除く): 19077782

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 851, 1702, 2411, 4255, 4822, 8510, 12055, 24110, 55453, 89207, 110906, 178414, 277265, 446035, 554530, 892070, 2051761, 4103522, 10258805, 20517610]

約数ペア:

[(1, 20517610), (2, 10258805), (5, 4103522), (10, 2051761), (23, 892070), (37, 554530), (46, 446035), (74, 277265), (115, 178414), (185, 110906), (230, 89207), (370, 55453), (851, 24110), (1702, 12055), (2411, 8510), (4255, 4822)]