20107440

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:161

約数の個数: 200

約数和(自身を含む): 72919440

約数和(自身を除く): 52812000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 81, 87, 90, 107, 108, 116, 120, 135, 144, 145, 162, 174, 180, 214, 216, 232, 240, 261, 270, 290, 321, 324, 348, 360, 405, 428, 432, 435, 464, 522, 535, 540, 580, 642, 648, 696, 720, 783, 810, 856, 870, 963, 1044, 1070, 1080, 1160, 1284, 1296, 1305, 1392, 1566, 1605, 1620, 1712, 1740, 1926, 2088, 2140, 2160, 2320, 2349, 2568, 2610, 2889, 3103, 3132, 3210, 3240, 3480, 3852, 3915, 4176, 4280, 4698, 4815, 5136, 5220, 5778, 6206, 6264, 6420, 6480, 6960, 7704, 7830, 8560, 8667, 9309, 9396, 9630, 10440, 11556, 11745, 12412, 12528, 12840, 14445, 15408, 15515, 15660, 17334, 18618, 18792, 19260, 20880, 23112, 23490, 24824, 25680, 27927, 28890, 31030, 31320, 34668, 37236, 37584, 38520, 43335, 46224, 46545, 46980, 49648, 55854, 57780, 62060, 62640, 69336, 74472, 77040, 83781, 86670, 93090, 93960, 111708, 115560, 124120, 138672, 139635, 148944, 167562, 173340, 186180, 187920, 223416, 231120, 248240, 251343, 279270, 335124, 346680, 372360, 418905, 446832, 502686, 558540, 670248, 693360, 744720, 837810, 1005372, 1117080, 1256715, 1340496, 1675620, 2010744, 2234160, 2513430, 3351240, 4021488, 5026860, 6702480, 10053720, 20107440]

約数ペア:

[(1, 20107440), (2, 10053720), (3, 6702480), (4, 5026860), (5, 4021488), (6, 3351240), (8, 2513430), (9, 2234160), (10, 2010744), (12, 1675620), (15, 1340496), (16, 1256715), (18, 1117080), (20, 1005372), (24, 837810), (27, 744720), (29, 693360), (30, 670248), (36, 558540), (40, 502686), (45, 446832), (48, 418905), (54, 372360), (58, 346680), (60, 335124), (72, 279270), (80, 251343), (81, 248240), (87, 231120), (90, 223416), (107, 187920), (108, 186180), (116, 173340), (120, 167562), (135, 148944), (144, 139635), (145, 138672), (162, 124120), (174, 115560), (180, 111708), (214, 93960), (216, 93090), (232, 86670), (240, 83781), (261, 77040), (270, 74472), (290, 69336), (321, 62640), (324, 62060), (348, 57780), (360, 55854), (405, 49648), (428, 46980), (432, 46545), (435, 46224), (464, 43335), (522, 38520), (535, 37584), (540, 37236), (580, 34668), (642, 31320), (648, 31030), (696, 28890), (720, 27927), (783, 25680), (810, 24824), (856, 23490), (870, 23112), (963, 20880), (1044, 19260), (1070, 18792), (1080, 18618), (1160, 17334), (1284, 15660), (1296, 15515), (1305, 15408), (1392, 14445), (1566, 12840), (1605, 12528), (1620, 12412), (1712, 11745), (1740, 11556), (1926, 10440), (2088, 9630), (2140, 9396), (2160, 9309), (2320, 8667), (2349, 8560), (2568, 7830), (2610, 7704), (2889, 6960), (3103, 6480), (3132, 6420), (3210, 6264), (3240, 6206), (3480, 5778), (3852, 5220), (3915, 5136), (4176, 4815), (4280, 4698)]