20335128

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 61585920

約数和(自身を除く): 41250792

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 23, 24, 33, 34, 44, 46, 51, 66, 68, 69, 88, 92, 102, 132, 136, 138, 184, 187, 197, 204, 253, 264, 276, 374, 391, 394, 408, 506, 552, 561, 591, 748, 759, 782, 788, 1012, 1122, 1173, 1182, 1496, 1518, 1564, 1576, 2024, 2167, 2244, 2346, 2364, 3036, 3128, 3349, 4301, 4334, 4488, 4531, 4692, 4728, 6072, 6501, 6698, 8602, 8668, 9062, 9384, 10047, 12903, 13002, 13396, 13593, 17204, 17336, 18124, 20094, 25806, 26004, 26792, 27186, 34408, 36248, 36839, 40188, 49841, 51612, 52008, 54372, 73678, 77027, 80376, 99682, 103224, 108744, 110517, 147356, 149523, 154054, 199364, 221034, 231081, 294712, 299046, 308108, 398728, 442068, 462162, 598092, 616216, 847297, 884136, 924324, 1196184, 1694594, 1848648, 2541891, 3389188, 5083782, 6778376, 10167564, 20335128]

約数ペア:

[(1, 20335128), (2, 10167564), (3, 6778376), (4, 5083782), (6, 3389188), (8, 2541891), (11, 1848648), (12, 1694594), (17, 1196184), (22, 924324), (23, 884136), (24, 847297), (33, 616216), (34, 598092), (44, 462162), (46, 442068), (51, 398728), (66, 308108), (68, 299046), (69, 294712), (88, 231081), (92, 221034), (102, 199364), (132, 154054), (136, 149523), (138, 147356), (184, 110517), (187, 108744), (197, 103224), (204, 99682), (253, 80376), (264, 77027), (276, 73678), (374, 54372), (391, 52008), (394, 51612), (408, 49841), (506, 40188), (552, 36839), (561, 36248), (591, 34408), (748, 27186), (759, 26792), (782, 26004), (788, 25806), (1012, 20094), (1122, 18124), (1173, 17336), (1182, 17204), (1496, 13593), (1518, 13396), (1564, 13002), (1576, 12903), (2024, 10047), (2167, 9384), (2244, 9062), (2346, 8668), (2364, 8602), (3036, 6698), (3128, 6501), (3349, 6072), (4301, 4728), (4334, 4692), (4488, 4531)]