20131578054

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{503}}^1\times {\mathrm{937}}^1$

素因数の和:1571

約数の個数: 128

約数和(自身を含む): 51737978880

約数和(自身を除く): 31606400826

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 113, 126, 189, 226, 339, 378, 503, 678, 791, 937, 1006, 1017, 1509, 1582, 1874, 2034, 2373, 2811, 3018, 3051, 3521, 4527, 4746, 5622, 6102, 6559, 7042, 7119, 8433, 9054, 10563, 13118, 13581, 14238, 16866, 19677, 21126, 21357, 25299, 27162, 31689, 39354, 42714, 50598, 56839, 59031, 63378, 95067, 105881, 113678, 118062, 170517, 177093, 190134, 211762, 317643, 341034, 354186, 397873, 471311, 511551, 635286, 741167, 795746, 942622, 952929, 1023102, 1193619, 1413933, 1482334, 1534653, 1905858, 2223501, 2387238, 2827866, 2858787, 3069306, 3299177, 3580857, 4241799, 4447002, 5717574, 6598354, 6670503, 7161714, 8483598, 9897531, 10742571, 12725397, 13341006, 19795062, 20011509, 21485142, 25450794, 29692593, 40023018, 53258143, 59385186, 89077779, 106516286, 159774429, 178155558, 319548858, 372807001, 479323287, 745614002, 958646574, 1118421003, 1437969861, 2236842006, 2875939722, 3355263009, 6710526018, 10065789027, 20131578054]

約数ペア:

[(1, 20131578054), (2, 10065789027), (3, 6710526018), (6, 3355263009), (7, 2875939722), (9, 2236842006), (14, 1437969861), (18, 1118421003), (21, 958646574), (27, 745614002), (42, 479323287), (54, 372807001), (63, 319548858), (113, 178155558), (126, 159774429), (189, 106516286), (226, 89077779), (339, 59385186), (378, 53258143), (503, 40023018), (678, 29692593), (791, 25450794), (937, 21485142), (1006, 20011509), (1017, 19795062), (1509, 13341006), (1582, 12725397), (1874, 10742571), (2034, 9897531), (2373, 8483598), (2811, 7161714), (3018, 6670503), (3051, 6598354), (3521, 5717574), (4527, 4447002), (4746, 4241799), (5622, 3580857), (6102, 3299177), (6559, 3069306), (7042, 2858787), (7119, 2827866), (8433, 2387238), (9054, 2223501), (10563, 1905858), (13118, 1534653), (13581, 1482334), (14238, 1413933), (16866, 1193619), (19677, 1023102), (21126, 952929), (21357, 942622), (25299, 795746), (27162, 741167), (31689, 635286), (39354, 511551), (42714, 471311), (50598, 397873), (56839, 354186), (59031, 341034), (63378, 317643), (95067, 211762), (105881, 190134), (113678, 177093), (118062, 170517)]