20171935480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1429}}^1\times {\mathrm{20759}}^1$

素因数の和:22216

約数の個数: 64

約数和(自身を含む): 48092616000

約数和(自身を除く): 27920680520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1429, 2858, 5716, 7145, 11432, 14290, 20759, 24293, 28580, 41518, 48586, 57160, 83036, 97172, 103795, 121465, 166072, 194344, 207590, 242930, 352903, 415180, 485860, 705806, 830360, 971720, 1411612, 1764515, 2823224, 3529030, 7058060, 14116120, 29664611, 59329222, 118658444, 148323055, 237316888, 296646110, 504298387, 593292220, 1008596774, 1186584440, 2017193548, 2521491935, 4034387096, 5042983870, 10085967740, 20171935480]

約数ペア:

[(1, 20171935480), (2, 10085967740), (4, 5042983870), (5, 4034387096), (8, 2521491935), (10, 2017193548), (17, 1186584440), (20, 1008596774), (34, 593292220), (40, 504298387), (68, 296646110), (85, 237316888), (136, 148323055), (170, 118658444), (340, 59329222), (680, 29664611), (1429, 14116120), (2858, 7058060), (5716, 3529030), (7145, 2823224), (11432, 1764515), (14290, 1411612), (20759, 971720), (24293, 830360), (28580, 705806), (41518, 485860), (48586, 415180), (57160, 352903), (83036, 242930), (97172, 207590), (103795, 194344), (121465, 166072)]