20890579968

素因数分解:

$2^{10}\times 3^3\times {\mathrm{211}}^1\times {\mathrm{3581}}^1$

素因数の和:3821

約数の個数: 176

約数和(自身を含む): 62178361920

約数和(自身を除く): 41287781952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 211, 216, 256, 288, 384, 422, 432, 512, 576, 633, 768, 844, 864, 1024, 1152, 1266, 1536, 1688, 1728, 1899, 2304, 2532, 3072, 3376, 3456, 3581, 3798, 4608, 5064, 5697, 6752, 6912, 7162, 7596, 9216, 10128, 10743, 11394, 13504, 13824, 14324, 15192, 20256, 21486, 22788, 27008, 27648, 28648, 30384, 32229, 40512, 42972, 45576, 54016, 57296, 60768, 64458, 81024, 85944, 91152, 96687, 108032, 114592, 121536, 128916, 162048, 171888, 182304, 193374, 216064, 229184, 243072, 257832, 324096, 343776, 364608, 386748, 458368, 486144, 515664, 648192, 687552, 729216, 755591, 773496, 916736, 972288, 1031328, 1375104, 1458432, 1511182, 1546992, 1833472, 1944576, 2062656, 2266773, 2750208, 2916864, 3022364, 3093984, 3666944, 4125312, 4533546, 5500416, 5833728, 6044728, 6187968, 6800319, 8250624, 9067092, 11000832, 12089456, 12375936, 13600638, 16501248, 18134184, 20400957, 24178912, 24751872, 27201276, 33002496, 36268368, 40801914, 48357824, 49503744, 54402552, 72536736, 81603828, 96715648, 99007488, 108805104, 145073472, 163207656, 193431296, 217610208, 290146944, 326415312, 386862592, 435220416, 580293888, 652830624, 773725184, 870440832, 1160587776, 1305661248, 1740881664, 2321175552, 2611322496, 3481763328, 5222644992, 6963526656, 10445289984, 20890579968]

約数ペア:

[(1, 20890579968), (2, 10445289984), (3, 6963526656), (4, 5222644992), (6, 3481763328), (8, 2611322496), (9, 2321175552), (12, 1740881664), (16, 1305661248), (18, 1160587776), (24, 870440832), (27, 773725184), (32, 652830624), (36, 580293888), (48, 435220416), (54, 386862592), (64, 326415312), (72, 290146944), (96, 217610208), (108, 193431296), (128, 163207656), (144, 145073472), (192, 108805104), (211, 99007488), (216, 96715648), (256, 81603828), (288, 72536736), (384, 54402552), (422, 49503744), (432, 48357824), (512, 40801914), (576, 36268368), (633, 33002496), (768, 27201276), (844, 24751872), (864, 24178912), (1024, 20400957), (1152, 18134184), (1266, 16501248), (1536, 13600638), (1688, 12375936), (1728, 12089456), (1899, 11000832), (2304, 9067092), (2532, 8250624), (3072, 6800319), (3376, 6187968), (3456, 6044728), (3581, 5833728), (3798, 5500416), (4608, 4533546), (5064, 4125312), (5697, 3666944), (6752, 3093984), (6912, 3022364), (7162, 2916864), (7596, 2750208), (9216, 2266773), (10128, 2062656), (10743, 1944576), (11394, 1833472), (13504, 1546992), (13824, 1511182), (14324, 1458432), (15192, 1375104), (20256, 1031328), (21486, 972288), (22788, 916736), (27008, 773496), (27648, 755591), (28648, 729216), (30384, 687552), (32229, 648192), (40512, 515664), (42972, 486144), (45576, 458368), (54016, 386748), (57296, 364608), (60768, 343776), (64458, 324096), (81024, 257832), (85944, 243072), (91152, 229184), (96687, 216064), (108032, 193374), (114592, 182304), (121536, 171888), (128916, 162048)]