20020723980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{81049}}^1$

素因数の和:81263

約数の個数: 96

約数和(自身を含む): 58822848000

約数和(自身を除く): 38802124020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 179, 230, 276, 345, 358, 460, 537, 690, 716, 895, 1074, 1380, 1790, 2148, 2685, 3580, 4117, 5370, 8234, 10740, 12351, 16468, 20585, 24702, 41170, 49404, 61755, 81049, 82340, 123510, 162098, 243147, 247020, 324196, 405245, 486294, 810490, 972588, 1215735, 1620980, 1864127, 2431470, 3728254, 4862940, 5592381, 7456508, 9320635, 11184762, 14507771, 18641270, 22369524, 27961905, 29015542, 37282540, 43523313, 55923810, 58031084, 72538855, 87046626, 111847620, 145077710, 174093252, 217616565, 290155420, 333678733, 435233130, 667357466, 870466260, 1001036199, 1334714932, 1668393665, 2002072398, 3336787330, 4004144796, 5005180995, 6673574660, 10010361990, 20020723980]

約数ペア:

[(1, 20020723980), (2, 10010361990), (3, 6673574660), (4, 5005180995), (5, 4004144796), (6, 3336787330), (10, 2002072398), (12, 1668393665), (15, 1334714932), (20, 1001036199), (23, 870466260), (30, 667357466), (46, 435233130), (60, 333678733), (69, 290155420), (92, 217616565), (115, 174093252), (138, 145077710), (179, 111847620), (230, 87046626), (276, 72538855), (345, 58031084), (358, 55923810), (460, 43523313), (537, 37282540), (690, 29015542), (716, 27961905), (895, 22369524), (1074, 18641270), (1380, 14507771), (1790, 11184762), (2148, 9320635), (2685, 7456508), (3580, 5592381), (4117, 4862940), (5370, 3728254), (8234, 2431470), (10740, 1864127), (12351, 1620980), (16468, 1215735), (20585, 972588), (24702, 810490), (41170, 486294), (49404, 405245), (61755, 324196), (81049, 247020), (82340, 243147), (123510, 162098)]