20216397824

素因数分解:

$2^{14}\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10369}}^1$

素因数の和:10421

約数の個数: 120

約数和(自身を含む): 48930305760

約数和(自身を除く): 28713907936

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 512, 544, 896, 952, 1024, 1088, 1792, 1904, 2048, 2176, 3584, 3808, 4096, 4352, 7168, 7616, 8192, 8704, 10369, 14336, 15232, 16384, 17408, 20738, 28672, 30464, 34816, 41476, 57344, 60928, 69632, 72583, 82952, 114688, 121856, 139264, 145166, 165904, 176273, 243712, 278528, 290332, 331808, 352546, 487424, 580664, 663616, 705092, 974848, 1161328, 1233911, 1327232, 1410184, 1949696, 2322656, 2467822, 2654464, 2820368, 4645312, 4935644, 5308928, 5640736, 9290624, 9871288, 10617856, 11281472, 18581248, 19742576, 21235712, 22562944, 37162496, 39485152, 42471424, 45125888, 74324992, 78970304, 84942848, 90251776, 148649984, 157940608, 169885696, 180503552, 297299968, 315881216, 361007104, 594599936, 631762432, 722014208, 1189199872, 1263524864, 1444028416, 2527049728, 2888056832, 5054099456, 10108198912, 20216397824]

約数ペア:

[(1, 20216397824), (2, 10108198912), (4, 5054099456), (7, 2888056832), (8, 2527049728), (14, 1444028416), (16, 1263524864), (17, 1189199872), (28, 722014208), (32, 631762432), (34, 594599936), (56, 361007104), (64, 315881216), (68, 297299968), (112, 180503552), (119, 169885696), (128, 157940608), (136, 148649984), (224, 90251776), (238, 84942848), (256, 78970304), (272, 74324992), (448, 45125888), (476, 42471424), (512, 39485152), (544, 37162496), (896, 22562944), (952, 21235712), (1024, 19742576), (1088, 18581248), (1792, 11281472), (1904, 10617856), (2048, 9871288), (2176, 9290624), (3584, 5640736), (3808, 5308928), (4096, 4935644), (4352, 4645312), (7168, 2820368), (7616, 2654464), (8192, 2467822), (8704, 2322656), (10369, 1949696), (14336, 1410184), (15232, 1327232), (16384, 1233911), (17408, 1161328), (20738, 974848), (28672, 705092), (30464, 663616), (34816, 580664), (41476, 487424), (57344, 352546), (60928, 331808), (69632, 290332), (72583, 278528), (82952, 243712), (114688, 176273), (121856, 165904), (139264, 145166)]