20335740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19937}}^1$

素因数の和:19966

約数の個数: 48

約数和(自身を含む): 60292512

約数和(自身を除く): 39956772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19937, 39874, 59811, 79748, 99685, 119622, 199370, 239244, 299055, 338929, 398740, 598110, 677858, 1016787, 1196220, 1355716, 1694645, 2033574, 3389290, 4067148, 5083935, 6778580, 10167870, 20335740]

約数ペア:

[(1, 20335740), (2, 10167870), (3, 6778580), (4, 5083935), (5, 4067148), (6, 3389290), (10, 2033574), (12, 1694645), (15, 1355716), (17, 1196220), (20, 1016787), (30, 677858), (34, 598110), (51, 398740), (60, 338929), (68, 299055), (85, 239244), (102, 199370), (170, 119622), (204, 99685), (255, 79748), (340, 59811), (510, 39874), (1020, 19937)]