20660640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:92

約数の個数: 384

約数和(自身を含む): 89413632

約数和(自身を除く): 68752992

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 32, 33, 35, 39, 40, 42, 43, 44, 48, 52, 55, 56, 60, 65, 66, 70, 77, 78, 80, 84, 86, 88, 91, 96, 104, 105, 110, 112, 120, 129, 130, 132, 140, 143, 154, 156, 160, 165, 168, 172, 176, 182, 195, 208, 210, 215, 220, 224, 231, 240, 258, 260, 264, 273, 280, 286, 301, 308, 312, 330, 336, 344, 352, 364, 385, 390, 416, 420, 429, 430, 440, 455, 462, 473, 480, 516, 520, 528, 546, 559, 560, 572, 602, 616, 624, 645, 660, 672, 688, 715, 728, 770, 780, 840, 858, 860, 880, 903, 910, 924, 946, 1001, 1032, 1040, 1056, 1092, 1118, 1120, 1144, 1155, 1204, 1232, 1248, 1290, 1320, 1365, 1376, 1419, 1430, 1456, 1505, 1540, 1560, 1677, 1680, 1716, 1720, 1760, 1806, 1820, 1848, 1892, 2002, 2064, 2080, 2145, 2184, 2236, 2288, 2310, 2365, 2408, 2464, 2580, 2640, 2730, 2795, 2838, 2860, 2912, 3003, 3010, 3080, 3120, 3311, 3354, 3360, 3432, 3440, 3612, 3640, 3696, 3784, 3913, 4004, 4128, 4290, 4368, 4472, 4515, 4576, 4620, 4730, 4816, 5005, 5160, 5280, 5460, 5590, 5676, 5720, 6006, 6020, 6149, 6160, 6240, 6622, 6708, 6864, 6880, 7095, 7224, 7280, 7392, 7568, 7826, 8008, 8385, 8580, 8736, 8944, 9030, 9240, 9460, 9632, 9933, 10010, 10320, 10920, 11180, 11352, 11440, 11739, 12012, 12040, 12298, 12320, 13244, 13416, 13728, 14190, 14448, 14560, 15015, 15136, 15652, 16016, 16555, 16770, 17160, 17888, 18060, 18447, 18480, 18920, 19565, 19866, 20020, 20640, 21840, 22360, 22704, 22880, 23478, 24024, 24080, 24596, 26488, 26832, 28380, 28896, 30030, 30745, 31304, 32032, 33110, 33540, 34320, 36120, 36894, 36960, 37840, 39130, 39732, 40040, 43043, 43680, 44720, 45408, 46956, 48048, 48160, 49192, 49665, 52976, 53664, 56760, 58695, 60060, 61490, 62608, 66220, 67080, 68640, 72240, 73788, 75680, 78260, 79464, 80080, 86086, 89440, 92235, 93912, 96096, 98384, 99330, 105952, 113520, 117390, 120120, 122980, 125216, 129129, 132440, 134160, 144480, 147576, 156520, 158928, 160160, 172172, 184470, 187824, 196768, 198660, 215215, 227040, 234780, 240240, 245960, 258258, 264880, 268320, 295152, 313040, 317856, 344344, 368940, 375648, 397320, 430430, 469560, 480480, 491920, 516516, 529760, 590304, 626080, 645645, 688688, 737880, 794640, 860860, 939120, 983840, 1033032, 1291290, 1377376, 1475760, 1589280, 1721720, 1878240, 2066064, 2582580, 2951520, 3443440, 4132128, 5165160, 6886880, 10330320, 20660640]

約数ペア:

[(1, 20660640), (2, 10330320), (3, 6886880), (4, 5165160), (5, 4132128), (6, 3443440), (7, 2951520), (8, 2582580), (10, 2066064), (11, 1878240), (12, 1721720), (13, 1589280), (14, 1475760), (15, 1377376), (16, 1291290), (20, 1033032), (21, 983840), (22, 939120), (24, 860860), (26, 794640), (28, 737880), (30, 688688), (32, 645645), (33, 626080), (35, 590304), (39, 529760), (40, 516516), (42, 491920), (43, 480480), (44, 469560), (48, 430430), (52, 397320), (55, 375648), (56, 368940), (60, 344344), (65, 317856), (66, 313040), (70, 295152), (77, 268320), (78, 264880), (80, 258258), (84, 245960), (86, 240240), (88, 234780), (91, 227040), (96, 215215), (104, 198660), (105, 196768), (110, 187824), (112, 184470), (120, 172172), (129, 160160), (130, 158928), (132, 156520), (140, 147576), (143, 144480), (154, 134160), (156, 132440), (160, 129129), (165, 125216), (168, 122980), (172, 120120), (176, 117390), (182, 113520), (195, 105952), (208, 99330), (210, 98384), (215, 96096), (220, 93912), (224, 92235), (231, 89440), (240, 86086), (258, 80080), (260, 79464), (264, 78260), (273, 75680), (280, 73788), (286, 72240), (301, 68640), (308, 67080), (312, 66220), (330, 62608), (336, 61490), (344, 60060), (352, 58695), (364, 56760), (385, 53664), (390, 52976), (416, 49665), (420, 49192), (429, 48160), (430, 48048), (440, 46956), (455, 45408), (462, 44720), (473, 43680), (480, 43043), (516, 40040), (520, 39732), (528, 39130), (546, 37840), (559, 36960), (560, 36894), (572, 36120), (602, 34320), (616, 33540), (624, 33110), (645, 32032), (660, 31304), (672, 30745), (688, 30030), (715, 28896), (728, 28380), (770, 26832), (780, 26488), (840, 24596), (858, 24080), (860, 24024), (880, 23478), (903, 22880), (910, 22704), (924, 22360), (946, 21840), (1001, 20640), (1032, 20020), (1040, 19866), (1056, 19565), (1092, 18920), (1118, 18480), (1120, 18447), (1144, 18060), (1155, 17888), (1204, 17160), (1232, 16770), (1248, 16555), (1290, 16016), (1320, 15652), (1365, 15136), (1376, 15015), (1419, 14560), (1430, 14448), (1456, 14190), (1505, 13728), (1540, 13416), (1560, 13244), (1677, 12320), (1680, 12298), (1716, 12040), (1720, 12012), (1760, 11739), (1806, 11440), (1820, 11352), (1848, 11180), (1892, 10920), (2002, 10320), (2064, 10010), (2080, 9933), (2145, 9632), (2184, 9460), (2236, 9240), (2288, 9030), (2310, 8944), (2365, 8736), (2408, 8580), (2464, 8385), (2580, 8008), (2640, 7826), (2730, 7568), (2795, 7392), (2838, 7280), (2860, 7224), (2912, 7095), (3003, 6880), (3010, 6864), (3080, 6708), (3120, 6622), (3311, 6240), (3354, 6160), (3360, 6149), (3432, 6020), (3440, 6006), (3612, 5720), (3640, 5676), (3696, 5590), (3784, 5460), (3913, 5280), (4004, 5160), (4128, 5005), (4290, 4816), (4368, 4730), (4472, 4620), (4515, 4576)]