20520360

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:520

約数の個数: 192

約数和(自身を含む): 80870400

約数和(自身を除く): 60350040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 51, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 119, 120, 126, 136, 140, 153, 168, 170, 180, 204, 210, 238, 252, 255, 280, 306, 315, 340, 357, 360, 408, 420, 476, 479, 504, 510, 595, 612, 630, 680, 714, 765, 840, 952, 958, 1020, 1071, 1190, 1224, 1260, 1428, 1437, 1530, 1785, 1916, 2040, 2142, 2380, 2395, 2520, 2856, 2874, 3060, 3353, 3570, 3832, 4284, 4311, 4760, 4790, 5355, 5748, 6120, 6706, 7140, 7185, 8143, 8568, 8622, 9580, 10059, 10710, 11496, 13412, 14280, 14370, 16286, 16765, 17244, 19160, 20118, 21420, 21555, 24429, 26824, 28740, 30177, 32572, 33530, 34488, 40236, 40715, 42840, 43110, 48858, 50295, 57001, 57480, 60354, 65144, 67060, 73287, 80472, 81430, 86220, 97716, 100590, 114002, 120708, 122145, 134120, 146574, 150885, 162860, 171003, 172440, 195432, 201180, 228004, 241416, 244290, 285005, 293148, 301770, 325720, 342006, 366435, 402360, 456008, 488580, 513009, 570010, 586296, 603540, 684012, 732870, 855015, 977160, 1026018, 1140020, 1207080, 1368024, 1465740, 1710030, 2052036, 2280040, 2565045, 2931480, 3420060, 4104072, 5130090, 6840120, 10260180, 20520360]

約数ペア:

[(1, 20520360), (2, 10260180), (3, 6840120), (4, 5130090), (5, 4104072), (6, 3420060), (7, 2931480), (8, 2565045), (9, 2280040), (10, 2052036), (12, 1710030), (14, 1465740), (15, 1368024), (17, 1207080), (18, 1140020), (20, 1026018), (21, 977160), (24, 855015), (28, 732870), (30, 684012), (34, 603540), (35, 586296), (36, 570010), (40, 513009), (42, 488580), (45, 456008), (51, 402360), (56, 366435), (60, 342006), (63, 325720), (68, 301770), (70, 293148), (72, 285005), (84, 244290), (85, 241416), (90, 228004), (102, 201180), (105, 195432), (119, 172440), (120, 171003), (126, 162860), (136, 150885), (140, 146574), (153, 134120), (168, 122145), (170, 120708), (180, 114002), (204, 100590), (210, 97716), (238, 86220), (252, 81430), (255, 80472), (280, 73287), (306, 67060), (315, 65144), (340, 60354), (357, 57480), (360, 57001), (408, 50295), (420, 48858), (476, 43110), (479, 42840), (504, 40715), (510, 40236), (595, 34488), (612, 33530), (630, 32572), (680, 30177), (714, 28740), (765, 26824), (840, 24429), (952, 21555), (958, 21420), (1020, 20118), (1071, 19160), (1190, 17244), (1224, 16765), (1260, 16286), (1428, 14370), (1437, 14280), (1530, 13412), (1785, 11496), (1916, 10710), (2040, 10059), (2142, 9580), (2380, 8622), (2395, 8568), (2520, 8143), (2856, 7185), (2874, 7140), (3060, 6706), (3353, 6120), (3570, 5748), (3832, 5355), (4284, 4790), (4311, 4760)]