20684664

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:91

約数の個数: 288

約数和(自身を含む): 78427440

約数和(自身を除く): 57742776

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 18, 21, 22, 24, 26, 28, 33, 36, 39, 41, 42, 44, 49, 52, 56, 63, 66, 72, 77, 78, 82, 84, 88, 91, 98, 99, 104, 117, 123, 126, 132, 143, 147, 154, 156, 164, 168, 182, 196, 198, 231, 234, 246, 252, 264, 273, 286, 287, 294, 308, 312, 328, 364, 369, 392, 396, 429, 441, 451, 462, 468, 492, 504, 533, 539, 546, 572, 574, 588, 616, 637, 693, 728, 738, 792, 819, 858, 861, 882, 902, 924, 936, 984, 1001, 1066, 1078, 1092, 1144, 1148, 1176, 1274, 1287, 1353, 1386, 1476, 1599, 1617, 1638, 1716, 1722, 1764, 1804, 1848, 1911, 2002, 2009, 2132, 2156, 2184, 2296, 2548, 2574, 2583, 2706, 2772, 2952, 3003, 3157, 3198, 3234, 3276, 3432, 3444, 3528, 3608, 3731, 3822, 4004, 4018, 4059, 4264, 4312, 4797, 4851, 5096, 5148, 5166, 5412, 5544, 5733, 5863, 6006, 6027, 6314, 6396, 6468, 6552, 6888, 7007, 7462, 7644, 8008, 8036, 8118, 9009, 9471, 9594, 9702, 10296, 10332, 10824, 11193, 11466, 11726, 12012, 12054, 12628, 12792, 12936, 14014, 14924, 15288, 16072, 16236, 17589, 18018, 18081, 18942, 19188, 19404, 20664, 21021, 22099, 22386, 22932, 23452, 24024, 24108, 25256, 26117, 28028, 28413, 29848, 32472, 33579, 35178, 36036, 36162, 37884, 38376, 38808, 41041, 42042, 44198, 44772, 45864, 46904, 48216, 52234, 52767, 56056, 56826, 63063, 66297, 67158, 70356, 72072, 72324, 75768, 78351, 82082, 84084, 88396, 89544, 104468, 105534, 113652, 123123, 126126, 132594, 134316, 140712, 144648, 156702, 164164, 168168, 176792, 198891, 208936, 211068, 227304, 235053, 246246, 252252, 265188, 268632, 287287, 313404, 328328, 369369, 397782, 422136, 470106, 492492, 504504, 530376, 574574, 626808, 738738, 795564, 861861, 940212, 984984, 1149148, 1477476, 1591128, 1723722, 1880424, 2298296, 2585583, 2954952, 3447444, 5171166, 6894888, 10342332, 20684664]

約数ペア:

[(1, 20684664), (2, 10342332), (3, 6894888), (4, 5171166), (6, 3447444), (7, 2954952), (8, 2585583), (9, 2298296), (11, 1880424), (12, 1723722), (13, 1591128), (14, 1477476), (18, 1149148), (21, 984984), (22, 940212), (24, 861861), (26, 795564), (28, 738738), (33, 626808), (36, 574574), (39, 530376), (41, 504504), (42, 492492), (44, 470106), (49, 422136), (52, 397782), (56, 369369), (63, 328328), (66, 313404), (72, 287287), (77, 268632), (78, 265188), (82, 252252), (84, 246246), (88, 235053), (91, 227304), (98, 211068), (99, 208936), (104, 198891), (117, 176792), (123, 168168), (126, 164164), (132, 156702), (143, 144648), (147, 140712), (154, 134316), (156, 132594), (164, 126126), (168, 123123), (182, 113652), (196, 105534), (198, 104468), (231, 89544), (234, 88396), (246, 84084), (252, 82082), (264, 78351), (273, 75768), (286, 72324), (287, 72072), (294, 70356), (308, 67158), (312, 66297), (328, 63063), (364, 56826), (369, 56056), (392, 52767), (396, 52234), (429, 48216), (441, 46904), (451, 45864), (462, 44772), (468, 44198), (492, 42042), (504, 41041), (533, 38808), (539, 38376), (546, 37884), (572, 36162), (574, 36036), (588, 35178), (616, 33579), (637, 32472), (693, 29848), (728, 28413), (738, 28028), (792, 26117), (819, 25256), (858, 24108), (861, 24024), (882, 23452), (902, 22932), (924, 22386), (936, 22099), (984, 21021), (1001, 20664), (1066, 19404), (1078, 19188), (1092, 18942), (1144, 18081), (1148, 18018), (1176, 17589), (1274, 16236), (1287, 16072), (1353, 15288), (1386, 14924), (1476, 14014), (1599, 12936), (1617, 12792), (1638, 12628), (1716, 12054), (1722, 12012), (1764, 11726), (1804, 11466), (1848, 11193), (1911, 10824), (2002, 10332), (2009, 10296), (2132, 9702), (2156, 9594), (2184, 9471), (2296, 9009), (2548, 8118), (2574, 8036), (2583, 8008), (2706, 7644), (2772, 7462), (2952, 7007), (3003, 6888), (3157, 6552), (3198, 6468), (3234, 6396), (3276, 6314), (3432, 6027), (3444, 6006), (3528, 5863), (3608, 5733), (3731, 5544), (3822, 5412), (4004, 5166), (4018, 5148), (4059, 5096), (4264, 4851), (4312, 4797)]