20776448

素因数分解:

$2^9\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 160

約数和(自身を含む): 56567808

約数和(自身を除く): 35791360

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 31, 32, 34, 44, 56, 62, 64, 68, 77, 88, 112, 119, 124, 128, 136, 154, 176, 187, 217, 224, 238, 248, 256, 272, 308, 341, 352, 374, 434, 448, 476, 496, 512, 527, 544, 616, 682, 704, 748, 868, 896, 952, 992, 1054, 1088, 1232, 1309, 1364, 1408, 1496, 1736, 1792, 1904, 1984, 2108, 2176, 2387, 2464, 2618, 2728, 2816, 2992, 3472, 3584, 3689, 3808, 3968, 4216, 4352, 4774, 4928, 5236, 5456, 5632, 5797, 5984, 6944, 7378, 7616, 7936, 8432, 8704, 9548, 9856, 10472, 10912, 11594, 11968, 13888, 14756, 15232, 15872, 16864, 19096, 19712, 20944, 21824, 23188, 23936, 27776, 29512, 30464, 33728, 38192, 39424, 40579, 41888, 43648, 46376, 47872, 55552, 59024, 60928, 67456, 76384, 81158, 83776, 87296, 92752, 95744, 111104, 118048, 134912, 152768, 162316, 167552, 174592, 185504, 236096, 269824, 305536, 324632, 335104, 371008, 472192, 611072, 649264, 670208, 742016, 944384, 1222144, 1298528, 1484032, 1888768, 2597056, 2968064, 5194112, 10388224, 20776448]

約数ペア:

[(1, 20776448), (2, 10388224), (4, 5194112), (7, 2968064), (8, 2597056), (11, 1888768), (14, 1484032), (16, 1298528), (17, 1222144), (22, 944384), (28, 742016), (31, 670208), (32, 649264), (34, 611072), (44, 472192), (56, 371008), (62, 335104), (64, 324632), (68, 305536), (77, 269824), (88, 236096), (112, 185504), (119, 174592), (124, 167552), (128, 162316), (136, 152768), (154, 134912), (176, 118048), (187, 111104), (217, 95744), (224, 92752), (238, 87296), (248, 83776), (256, 81158), (272, 76384), (308, 67456), (341, 60928), (352, 59024), (374, 55552), (434, 47872), (448, 46376), (476, 43648), (496, 41888), (512, 40579), (527, 39424), (544, 38192), (616, 33728), (682, 30464), (704, 29512), (748, 27776), (868, 23936), (896, 23188), (952, 21824), (992, 20944), (1054, 19712), (1088, 19096), (1232, 16864), (1309, 15872), (1364, 15232), (1408, 14756), (1496, 13888), (1736, 11968), (1792, 11594), (1904, 10912), (1984, 10472), (2108, 9856), (2176, 9548), (2387, 8704), (2464, 8432), (2618, 7936), (2728, 7616), (2816, 7378), (2992, 6944), (3472, 5984), (3584, 5797), (3689, 5632), (3808, 5456), (3968, 5236), (4216, 4928), (4352, 4774)]