20211719760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{5003}}^1$

素因数の和:5234

約数の個数: 240

約数和(自身を含む): 70468489728

約数和(自身を除く): 50256769968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 181, 186, 240, 248, 279, 310, 360, 362, 372, 465, 496, 543, 558, 620, 720, 724, 744, 905, 930, 1086, 1116, 1240, 1395, 1448, 1488, 1629, 1810, 1860, 2172, 2232, 2480, 2715, 2790, 2896, 3258, 3620, 3720, 4344, 4464, 5003, 5430, 5580, 5611, 6516, 7240, 7440, 8145, 8688, 10006, 10860, 11160, 11222, 13032, 14480, 15009, 16290, 16833, 20012, 21720, 22320, 22444, 25015, 26064, 28055, 30018, 32580, 33666, 40024, 43440, 44888, 45027, 50030, 50499, 56110, 60036, 65160, 67332, 75045, 80048, 84165, 89776, 90054, 100060, 100998, 112220, 120072, 130320, 134664, 150090, 155093, 168330, 180108, 200120, 201996, 224440, 225135, 240144, 252495, 269328, 300180, 310186, 336660, 360216, 400240, 403992, 448880, 450270, 465279, 504990, 600360, 620372, 673320, 720432, 775465, 807984, 900540, 905543, 930558, 1009980, 1200720, 1240744, 1346640, 1395837, 1550930, 1801080, 1811086, 1861116, 2019960, 2326395, 2481488, 2716629, 2791674, 3101860, 3602160, 3622172, 3722232, 4039920, 4527715, 4652790, 5433258, 5583348, 6203720, 6979185, 7244344, 7444464, 8149887, 9055430, 9305580, 10866516, 11166696, 12407440, 13583145, 13958370, 14488688, 16299774, 18110860, 18611160, 21733032, 22333392, 27166290, 27916740, 28071833, 32599548, 36221720, 37222320, 40749435, 43466064, 54332580, 55833480, 56143666, 65199096, 72443440, 81498870, 84215499, 108665160, 111666960, 112287332, 130398192, 140359165, 162997740, 168430998, 217330320, 224574664, 252646497, 280718330, 325995480, 336861996, 421077495, 449149328, 505292994, 561436660, 651990960, 673723992, 842154990, 1010585988, 1122873320, 1263232485, 1347447984, 1684309980, 2021171976, 2245746640, 2526464970, 3368619960, 4042343952, 5052929940, 6737239920, 10105859880, 20211719760]

約数ペア:

[(1, 20211719760), (2, 10105859880), (3, 6737239920), (4, 5052929940), (5, 4042343952), (6, 3368619960), (8, 2526464970), (9, 2245746640), (10, 2021171976), (12, 1684309980), (15, 1347447984), (16, 1263232485), (18, 1122873320), (20, 1010585988), (24, 842154990), (30, 673723992), (31, 651990960), (36, 561436660), (40, 505292994), (45, 449149328), (48, 421077495), (60, 336861996), (62, 325995480), (72, 280718330), (80, 252646497), (90, 224574664), (93, 217330320), (120, 168430998), (124, 162997740), (144, 140359165), (155, 130398192), (180, 112287332), (181, 111666960), (186, 108665160), (240, 84215499), (248, 81498870), (279, 72443440), (310, 65199096), (360, 56143666), (362, 55833480), (372, 54332580), (465, 43466064), (496, 40749435), (543, 37222320), (558, 36221720), (620, 32599548), (720, 28071833), (724, 27916740), (744, 27166290), (905, 22333392), (930, 21733032), (1086, 18611160), (1116, 18110860), (1240, 16299774), (1395, 14488688), (1448, 13958370), (1488, 13583145), (1629, 12407440), (1810, 11166696), (1860, 10866516), (2172, 9305580), (2232, 9055430), (2480, 8149887), (2715, 7444464), (2790, 7244344), (2896, 6979185), (3258, 6203720), (3620, 5583348), (3720, 5433258), (4344, 4652790), (4464, 4527715), (5003, 4039920), (5430, 3722232), (5580, 3622172), (5611, 3602160), (6516, 3101860), (7240, 2791674), (7440, 2716629), (8145, 2481488), (8688, 2326395), (10006, 2019960), (10860, 1861116), (11160, 1811086), (11222, 1801080), (13032, 1550930), (14480, 1395837), (15009, 1346640), (16290, 1240744), (16833, 1200720), (20012, 1009980), (21720, 930558), (22320, 905543), (22444, 900540), (25015, 807984), (26064, 775465), (28055, 720432), (30018, 673320), (32580, 620372), (33666, 600360), (40024, 504990), (43440, 465279), (44888, 450270), (45027, 448880), (50030, 403992), (50499, 400240), (56110, 360216), (60036, 336660), (65160, 310186), (67332, 300180), (75045, 269328), (80048, 252495), (84165, 240144), (89776, 225135), (90054, 224440), (100060, 201996), (100998, 200120), (112220, 180108), (120072, 168330), (130320, 155093), (134664, 150090)]