20005969648

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{877}}^1\times {\mathrm{11981}}^1$

素因数の和:12890

約数の個数: 80

約数和(自身を含む): 46962154944

約数和(自身を除く): 26956185296

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 877, 952, 1754, 1904, 3508, 6139, 7016, 11981, 12278, 14032, 14909, 23962, 24556, 29818, 47924, 49112, 59636, 83867, 95848, 98224, 104363, 119272, 167734, 191696, 203677, 208726, 238544, 335468, 407354, 417452, 670936, 814708, 834904, 1341872, 1425739, 1629416, 1669808, 2851478, 3258832, 5702956, 10507337, 11405912, 21014674, 22811824, 42029348, 73551359, 84058696, 147102718, 168117392, 178624729, 294205436, 357249458, 588410872, 714498916, 1176821744, 1250373103, 1428997832, 2500746206, 2857995664, 5001492412, 10002984824, 20005969648]

約数ペア:

[(1, 20005969648), (2, 10002984824), (4, 5001492412), (7, 2857995664), (8, 2500746206), (14, 1428997832), (16, 1250373103), (17, 1176821744), (28, 714498916), (34, 588410872), (56, 357249458), (68, 294205436), (112, 178624729), (119, 168117392), (136, 147102718), (238, 84058696), (272, 73551359), (476, 42029348), (877, 22811824), (952, 21014674), (1754, 11405912), (1904, 10507337), (3508, 5702956), (6139, 3258832), (7016, 2851478), (11981, 1669808), (12278, 1629416), (14032, 1425739), (14909, 1341872), (23962, 834904), (24556, 814708), (29818, 670936), (47924, 417452), (49112, 407354), (59636, 335468), (83867, 238544), (95848, 208726), (98224, 203677), (104363, 191696), (119272, 167734)]