20639179008

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41281}}^1$

素因数の和:41341

約数の個数: 216

約数和(自身を含む): 70204499456

約数和(自身を除く): 49565320448

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 64, 72, 84, 93, 96, 112, 124, 126, 128, 144, 168, 186, 192, 217, 224, 248, 252, 256, 279, 288, 336, 372, 384, 434, 448, 496, 504, 558, 576, 651, 672, 744, 768, 868, 896, 992, 1008, 1116, 1152, 1302, 1344, 1488, 1736, 1792, 1953, 1984, 2016, 2232, 2304, 2604, 2688, 2976, 3472, 3906, 3968, 4032, 4464, 5208, 5376, 5952, 6944, 7812, 7936, 8064, 8928, 10416, 11904, 13888, 15624, 16128, 17856, 20832, 23808, 27776, 31248, 35712, 41281, 41664, 55552, 62496, 71424, 82562, 83328, 123843, 124992, 165124, 166656, 247686, 249984, 288967, 330248, 371529, 495372, 499968, 577934, 660496, 743058, 866901, 990744, 1155868, 1279711, 1320992, 1486116, 1733802, 1981488, 2311736, 2559422, 2600703, 2641984, 2972232, 3467604, 3839133, 3962976, 4623472, 5118844, 5201406, 5283968, 5944464, 6935208, 7678266, 7925952, 8957977, 9246944, 10237688, 10402812, 10567936, 11517399, 11888928, 13870416, 15356532, 15851904, 17915954, 18493888, 20475376, 20805624, 23034798, 23777856, 26873931, 27740832, 30713064, 31703808, 35831908, 36987776, 40950752, 41611248, 46069596, 47555712, 53747862, 55481664, 61426128, 71663816, 73975552, 80621793, 81901504, 83222496, 92139192, 95111424, 107495724, 110963328, 122852256, 143327632, 161243586, 163803008, 166444992, 184278384, 214991448, 221926656, 245704512, 286655264, 322487172, 327606016, 332889984, 368556768, 429982896, 491409024, 573310528, 644974344, 665779968, 737113536, 859965792, 982818048, 1146621056, 1289948688, 1474227072, 1719931584, 2293242112, 2579897376, 2948454144, 3439863168, 5159794752, 6879726336, 10319589504, 20639179008]

約数ペア:

[(1, 20639179008), (2, 10319589504), (3, 6879726336), (4, 5159794752), (6, 3439863168), (7, 2948454144), (8, 2579897376), (9, 2293242112), (12, 1719931584), (14, 1474227072), (16, 1289948688), (18, 1146621056), (21, 982818048), (24, 859965792), (28, 737113536), (31, 665779968), (32, 644974344), (36, 573310528), (42, 491409024), (48, 429982896), (56, 368556768), (62, 332889984), (63, 327606016), (64, 322487172), (72, 286655264), (84, 245704512), (93, 221926656), (96, 214991448), (112, 184278384), (124, 166444992), (126, 163803008), (128, 161243586), (144, 143327632), (168, 122852256), (186, 110963328), (192, 107495724), (217, 95111424), (224, 92139192), (248, 83222496), (252, 81901504), (256, 80621793), (279, 73975552), (288, 71663816), (336, 61426128), (372, 55481664), (384, 53747862), (434, 47555712), (448, 46069596), (496, 41611248), (504, 40950752), (558, 36987776), (576, 35831908), (651, 31703808), (672, 30713064), (744, 27740832), (768, 26873931), (868, 23777856), (896, 23034798), (992, 20805624), (1008, 20475376), (1116, 18493888), (1152, 17915954), (1302, 15851904), (1344, 15356532), (1488, 13870416), (1736, 11888928), (1792, 11517399), (1953, 10567936), (1984, 10402812), (2016, 10237688), (2232, 9246944), (2304, 8957977), (2604, 7925952), (2688, 7678266), (2976, 6935208), (3472, 5944464), (3906, 5283968), (3968, 5201406), (4032, 5118844), (4464, 4623472), (5208, 3962976), (5376, 3839133), (5952, 3467604), (6944, 2972232), (7812, 2641984), (7936, 2600703), (8064, 2559422), (8928, 2311736), (10416, 1981488), (11904, 1733802), (13888, 1486116), (15624, 1320992), (16128, 1279711), (17856, 1155868), (20832, 990744), (23808, 866901), (27776, 743058), (31248, 660496), (35712, 577934), (41281, 499968), (41664, 495372), (55552, 371529), (62496, 330248), (71424, 288967), (82562, 249984), (83328, 247686), (123843, 166656), (124992, 165124)]