20923667280

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3228961}}^1$

素因数の和:3228986

約数の個数: 100

約数和(自身を含む): 72671018772

約数和(自身を除く): 51747351492

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 3228961, 6457922, 9686883, 12915844, 16144805, 19373766, 25831688, 29060649, 32289610, 38747532, 48434415, 51663376, 58121298, 64579220, 77495064, 87181947, 96868830, 116242596, 129158440, 145303245, 154990128, 174363894, 193737660, 232485192, 258316880, 261545841, 290606490, 348727788, 387475320, 435909735, 464970384, 523091682, 581212980, 697455576, 774950640, 871819470, 1046183364, 1162425960, 1307729205, 1394911152, 1743638940, 2092366728, 2324851920, 2615458410, 3487277880, 4184733456, 5230916820, 6974555760, 10461833640, 20923667280]

約数ペア:

[(1, 20923667280), (2, 10461833640), (3, 6974555760), (4, 5230916820), (5, 4184733456), (6, 3487277880), (8, 2615458410), (9, 2324851920), (10, 2092366728), (12, 1743638940), (15, 1394911152), (16, 1307729205), (18, 1162425960), (20, 1046183364), (24, 871819470), (27, 774950640), (30, 697455576), (36, 581212980), (40, 523091682), (45, 464970384), (48, 435909735), (54, 387475320), (60, 348727788), (72, 290606490), (80, 261545841), (81, 258316880), (90, 232485192), (108, 193737660), (120, 174363894), (135, 154990128), (144, 145303245), (162, 129158440), (180, 116242596), (216, 96868830), (240, 87181947), (270, 77495064), (324, 64579220), (360, 58121298), (405, 51663376), (432, 48434415), (540, 38747532), (648, 32289610), (720, 29060649), (810, 25831688), (1080, 19373766), (1296, 16144805), (1620, 12915844), (2160, 9686883), (3240, 6457922), (6480, 3228961)]