20646442680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1\times {\mathrm{10259}}^1$

素因数の和:10845

約数の個数: 128

約数和(自身を含む): 64061798400

約数和(自身を除く): 43415355720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 541, 620, 744, 930, 1082, 1240, 1623, 1860, 2164, 2705, 3246, 3720, 4328, 5410, 6492, 8115, 10259, 10820, 12984, 16230, 16771, 20518, 21640, 30777, 32460, 33542, 41036, 50313, 51295, 61554, 64920, 67084, 82072, 83855, 100626, 102590, 123108, 134168, 153885, 167710, 201252, 205180, 246216, 251565, 307770, 318029, 335420, 402504, 410360, 503130, 615540, 636058, 670840, 954087, 1006260, 1231080, 1272116, 1590145, 1908174, 2012520, 2544232, 3180290, 3816348, 4770435, 5550119, 6360580, 7632696, 9540870, 11100238, 12721160, 16650357, 19081740, 22200476, 27750595, 33300714, 38163480, 44400952, 55501190, 66601428, 83251785, 111002380, 133202856, 166503570, 172053689, 222004760, 333007140, 344107378, 516161067, 666014280, 688214756, 860268445, 1032322134, 1376429512, 1720536890, 2064644268, 2580805335, 3441073780, 4129288536, 5161610670, 6882147560, 10323221340, 20646442680]

約数ペア:

[(1, 20646442680), (2, 10323221340), (3, 6882147560), (4, 5161610670), (5, 4129288536), (6, 3441073780), (8, 2580805335), (10, 2064644268), (12, 1720536890), (15, 1376429512), (20, 1032322134), (24, 860268445), (30, 688214756), (31, 666014280), (40, 516161067), (60, 344107378), (62, 333007140), (93, 222004760), (120, 172053689), (124, 166503570), (155, 133202856), (186, 111002380), (248, 83251785), (310, 66601428), (372, 55501190), (465, 44400952), (541, 38163480), (620, 33300714), (744, 27750595), (930, 22200476), (1082, 19081740), (1240, 16650357), (1623, 12721160), (1860, 11100238), (2164, 9540870), (2705, 7632696), (3246, 6360580), (3720, 5550119), (4328, 4770435), (5410, 3816348), (6492, 3180290), (8115, 2544232), (10259, 2012520), (10820, 1908174), (12984, 1590145), (16230, 1272116), (16771, 1231080), (20518, 1006260), (21640, 954087), (30777, 670840), (32460, 636058), (33542, 615540), (41036, 503130), (50313, 410360), (51295, 402504), (61554, 335420), (64920, 318029), (67084, 307770), (82072, 251565), (83855, 246216), (100626, 205180), (102590, 201252), (123108, 167710), (134168, 153885)]