20218694405

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{15467}}^1$

素因数の和:15535

約数の個数: 64

約数和(自身を含む): 31807157760

約数和(自身を除く): 11588463355

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 169, 221, 455, 595, 845, 1105, 1183, 1547, 2197, 2873, 5915, 7735, 10985, 14365, 15379, 15467, 20111, 37349, 76895, 77335, 100555, 108269, 186745, 201071, 261443, 262939, 541345, 1005355, 1307215, 1314695, 1407497, 1840573, 2613923, 3418207, 7037485, 9202865, 13069615, 17091035, 18297461, 23927449, 33980999, 44436691, 91487305, 119637245, 169904995, 222183455, 237866993, 311056837, 577676983, 1189334965, 1555284185, 2888384915, 4043738881, 20218694405]

約数ペア:

[(1, 20218694405), (5, 4043738881), (7, 2888384915), (13, 1555284185), (17, 1189334965), (35, 577676983), (65, 311056837), (85, 237866993), (91, 222183455), (119, 169904995), (169, 119637245), (221, 91487305), (455, 44436691), (595, 33980999), (845, 23927449), (1105, 18297461), (1183, 17091035), (1547, 13069615), (2197, 9202865), (2873, 7037485), (5915, 3418207), (7735, 2613923), (10985, 1840573), (14365, 1407497), (15379, 1314695), (15467, 1307215), (20111, 1005355), (37349, 541345), (76895, 262939), (77335, 261443), (100555, 201071), (108269, 186745)]