20887309968

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{1997}}^1\times {\mathrm{4447}}^1$

素因数の和:6469

約数の個数: 120

約数和(自身を含む): 62814051072

約数和(自身を除く): 41926741104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 336, 392, 588, 784, 1176, 1997, 2352, 3994, 4447, 5991, 7988, 8894, 11982, 13341, 13979, 15976, 17788, 23964, 26682, 27958, 31129, 31952, 35576, 41937, 47928, 53364, 55916, 62258, 71152, 83874, 93387, 95856, 97853, 106728, 111832, 124516, 167748, 186774, 195706, 213456, 217903, 223664, 249032, 293559, 335496, 373548, 391412, 435806, 498064, 587118, 653709, 670992, 747096, 782824, 871612, 1174236, 1307418, 1494192, 1565648, 1743224, 2348472, 2614836, 3486448, 4696944, 5229672, 8880659, 10459344, 17761318, 26641977, 35522636, 53283954, 62164613, 71045272, 106567908, 124329226, 142090544, 186493839, 213135816, 248658452, 372987678, 426271632, 435152291, 497316904, 745975356, 870304582, 994633808, 1305456873, 1491950712, 1740609164, 2610913746, 2983901424, 3481218328, 5221827492, 6962436656, 10443654984, 20887309968]

約数ペア:

[(1, 20887309968), (2, 10443654984), (3, 6962436656), (4, 5221827492), (6, 3481218328), (7, 2983901424), (8, 2610913746), (12, 1740609164), (14, 1491950712), (16, 1305456873), (21, 994633808), (24, 870304582), (28, 745975356), (42, 497316904), (48, 435152291), (49, 426271632), (56, 372987678), (84, 248658452), (98, 213135816), (112, 186493839), (147, 142090544), (168, 124329226), (196, 106567908), (294, 71045272), (336, 62164613), (392, 53283954), (588, 35522636), (784, 26641977), (1176, 17761318), (1997, 10459344), (2352, 8880659), (3994, 5229672), (4447, 4696944), (5991, 3486448), (7988, 2614836), (8894, 2348472), (11982, 1743224), (13341, 1565648), (13979, 1494192), (15976, 1307418), (17788, 1174236), (23964, 871612), (26682, 782824), (27958, 747096), (31129, 670992), (31952, 653709), (35576, 587118), (41937, 498064), (47928, 435806), (53364, 391412), (55916, 373548), (62258, 335496), (71152, 293559), (83874, 249032), (93387, 223664), (95856, 217903), (97853, 213456), (106728, 195706), (111832, 186774), (124516, 167748)]