20852220480

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 1008

約数和(自身を含む): 86733180864

約数和(自身を除く): 65880960384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 43, 48, 49, 52, 56, 60, 61, 64, 65, 70, 78, 80, 84, 86, 91, 96, 98, 104, 105, 112, 120, 122, 129, 130, 140, 147, 156, 160, 168, 169, 172, 182, 183, 192, 195, 196, 208, 210, 215, 224, 240, 244, 245, 258, 260, 273, 280, 294, 301, 305, 312, 320, 336, 338, 344, 364, 366, 390, 392, 416, 420, 427, 430, 448, 455, 480, 488, 490, 507, 516, 520, 546, 559, 560, 588, 602, 610, 624, 637, 645, 672, 676, 688, 728, 732, 735, 780, 784, 793, 832, 840, 845, 854, 860, 903, 910, 915, 960, 976, 980, 1014, 1032, 1040, 1092, 1118, 1120, 1176, 1183, 1204, 1220, 1248, 1274, 1281, 1290, 1344, 1352, 1365, 1376, 1456, 1464, 1470, 1505, 1560, 1568, 1586, 1677, 1680, 1690, 1708, 1720, 1806, 1820, 1830, 1911, 1952, 1960, 2028, 2064, 2080, 2107, 2135, 2184, 2236, 2240, 2352, 2366, 2379, 2408, 2440, 2496, 2535, 2548, 2562, 2580, 2623, 2704, 2730, 2752, 2795, 2912, 2928, 2940, 2989, 3010, 3120, 3136, 3172, 3185, 3354, 3360, 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494832, 496860, 503616, 505141, 505680, 508690, 511485, 514108, 529984, 532896, 536640, 545584, 547820, 550830, 567840, 573888, 577304, 581360, 582855, 587552, 610428, 611520, 618540, 621712, 626080, 629520, 642635, 657384, 659776, 662480, 666120, 674240, 681980, 697632, 712166, 716079, 717360, 721630, 734440, 751296, 761280, 763035, 771162, 777140, 794976, 813904, 818376, 821730, 824720, 839360, 865956, 872040, 876512, 881328, 886574, 888160, 932568, 939120, 954772, 956480, 989664, 993720, 1010282, 1011360, 1017380, 1022970, 1028216, 1065792, 1068249, 1082445, 1091168, 1095640, 1101660, 1135680, 1154608, 1162720, 1165710, 1175104, 1193465, 1220856, 1237080, 1243424, 1252160, 1259040, 1285270, 1314768, 1324960, 1329861, 1332240, 1363960, 1395264, 1424332, 1432158, 1434720, 1443260, 1468880, 1515423, 1526070, 1542324, 1554280, 1589952, 1627808, 1636752, 1643460, 1649440, 1670851, 1731912, 1744080, 1753024, 1762656, 1773148, 1776320, 1780415, 1865136, 1878240, 1909544, 1927905, 1979328, 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約数ペア:

[(1, 20852220480), (2, 10426110240), (3, 6950740160), (4, 5213055120), (5, 4170444096), (6, 3475370080), (7, 2978888640), (8, 2606527560), (10, 2085222048), (12, 1737685040), (13, 1604016960), (14, 1489444320), (15, 1390148032), (16, 1303263780), (20, 1042611024), (21, 992962880), (24, 868842520), (26, 802008480), (28, 744722160), (30, 695074016), (32, 651631890), (35, 595777728), (39, 534672320), (40, 521305512), (42, 496481440), (43, 484935360), (48, 434421260), (49, 425555520), (52, 401004240), (56, 372361080), (60, 347537008), (61, 341839680), (64, 325815945), (65, 320803392), (70, 297888864), (78, 267336160), (80, 260652756), (84, 248240720), (86, 242467680), (91, 229145280), (96, 217210630), (98, 212777760), (104, 200502120), (105, 198592576), (112, 186180540), (120, 173768504), (122, 170919840), (129, 161645120), (130, 160401696), (140, 148944432), (147, 141851840), (156, 133668080), (160, 130326378), (168, 124120360), (169, 123385920), (172, 121233840), (182, 114572640), (183, 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