20175829380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^3\times {\mathrm{108929}}^1$

素因数の和:108968

約数の個数: 192

約数和(自身を含む): 73200960000

約数和(自身を除く): 53025130620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 343, 378, 420, 441, 490, 540, 588, 630, 686, 735, 756, 882, 945, 980, 1029, 1260, 1323, 1372, 1470, 1715, 1764, 1890, 2058, 2205, 2646, 2940, 3087, 3430, 3780, 4116, 4410, 5145, 5292, 6174, 6615, 6860, 8820, 9261, 10290, 12348, 13230, 15435, 18522, 20580, 26460, 30870, 37044, 46305, 61740, 92610, 108929, 185220, 217858, 326787, 435716, 544645, 653574, 762503, 980361, 1089290, 1307148, 1525006, 1633935, 1960722, 2178580, 2287509, 2941083, 3050012, 3267870, 3812515, 3921444, 4575018, 4901805, 5337521, 5882166, 6535740, 6862527, 7625030, 9150036, 9803610, 10675042, 11437545, 11764332, 13725054, 14705415, 15250060, 16012563, 19607220, 20587581, 21350084, 22875090, 26687605, 27450108, 29410830, 32025126, 34312635, 37362647, 41175162, 45750180, 48037689, 53375210, 58821660, 64050252, 68625270, 74725294, 80062815, 82350324, 96075378, 102937905, 106750420, 112087941, 137250540, 144113067, 149450588, 160125630, 186813235, 192150756, 205875810, 224175882, 240188445, 288226134, 320251260, 336263823, 373626470, 411751620, 448351764, 480376890, 560439705, 576452268, 672527646, 720565335, 747252940, 960753780, 1008791469, 1120879410, 1345055292, 1441130670, 1681319115, 2017582938, 2241758820, 2882261340, 3362638230, 4035165876, 5043957345, 6725276460, 10087914690, 20175829380]

約数ペア:

[(1, 20175829380), (2, 10087914690), (3, 6725276460), (4, 5043957345), (5, 4035165876), (6, 3362638230), (7, 2882261340), (9, 2241758820), (10, 2017582938), (12, 1681319115), (14, 1441130670), (15, 1345055292), (18, 1120879410), (20, 1008791469), (21, 960753780), (27, 747252940), (28, 720565335), (30, 672527646), (35, 576452268), (36, 560439705), (42, 480376890), (45, 448351764), (49, 411751620), (54, 373626470), (60, 336263823), (63, 320251260), (70, 288226134), (84, 240188445), (90, 224175882), (98, 205875810), (105, 192150756), (108, 186813235), (126, 160125630), (135, 149450588), (140, 144113067), (147, 137250540), (180, 112087941), (189, 106750420), (196, 102937905), (210, 96075378), (245, 82350324), (252, 80062815), (270, 74725294), (294, 68625270), (315, 64050252), (343, 58821660), (378, 53375210), (420, 48037689), (441, 45750180), (490, 41175162), (540, 37362647), (588, 34312635), (630, 32025126), (686, 29410830), (735, 27450108), (756, 26687605), (882, 22875090), (945, 21350084), (980, 20587581), (1029, 19607220), (1260, 16012563), (1323, 15250060), (1372, 14705415), (1470, 13725054), (1715, 11764332), (1764, 11437545), (1890, 10675042), (2058, 9803610), (2205, 9150036), (2646, 7625030), (2940, 6862527), (3087, 6535740), (3430, 5882166), (3780, 5337521), (4116, 4901805), (4410, 4575018), (5145, 3921444), (5292, 3812515), (6174, 3267870), (6615, 3050012), (6860, 2941083), (8820, 2287509), (9261, 2178580), (10290, 1960722), (12348, 1633935), (13230, 1525006), (15435, 1307148), (18522, 1089290), (20580, 980361), (26460, 762503), (30870, 653574), (37044, 544645), (46305, 435716), (61740, 326787), (92610, 217858), (108929, 185220)]