20218191800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2011}}^1\times {\mathrm{2957}}^1$

素因数の和:5001

約数の個数: 96

約数和(自身を含む): 49814021520

約数和(自身を除く): 29595829720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 2011, 2957, 3400, 4022, 5914, 8044, 10055, 11828, 14785, 16088, 20110, 23656, 29570, 34187, 40220, 50269, 50275, 59140, 68374, 73925, 80440, 100538, 100550, 118280, 136748, 147850, 170935, 201076, 201100, 251345, 273496, 295700, 341870, 402152, 402200, 502690, 591400, 683740, 854675, 1005380, 1256725, 1367480, 1709350, 2010760, 2513450, 3418700, 5026900, 5946527, 6837400, 10053800, 11893054, 23786108, 29732635, 47572216, 59465270, 101090959, 118930540, 148663175, 202181918, 237861080, 297326350, 404363836, 505454795, 594652700, 808727672, 1010909590, 1189305400, 2021819180, 2527273975, 4043638360, 5054547950, 10109095900, 20218191800]

約数ペア:

[(1, 20218191800), (2, 10109095900), (4, 5054547950), (5, 4043638360), (8, 2527273975), (10, 2021819180), (17, 1189305400), (20, 1010909590), (25, 808727672), (34, 594652700), (40, 505454795), (50, 404363836), (68, 297326350), (85, 237861080), (100, 202181918), (136, 148663175), (170, 118930540), (200, 101090959), (340, 59465270), (425, 47572216), (680, 29732635), (850, 23786108), (1700, 11893054), (2011, 10053800), (2957, 6837400), (3400, 5946527), (4022, 5026900), (5914, 3418700), (8044, 2513450), (10055, 2010760), (11828, 1709350), (14785, 1367480), (16088, 1256725), (20110, 1005380), (23656, 854675), (29570, 683740), (34187, 591400), (40220, 502690), (50269, 402200), (50275, 402152), (59140, 341870), (68374, 295700), (73925, 273496), (80440, 251345), (100538, 201100), (100550, 201076), (118280, 170935), (136748, 147850)]