20809765732

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{7547}}^1$

素因数の和:7721

約数の個数: 96

約数和(自身を含む): 45041633280

約数和(自身を除く): 24231867548

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 71, 73, 76, 133, 142, 146, 266, 284, 292, 497, 511, 532, 994, 1022, 1349, 1387, 1988, 2044, 2698, 2774, 5183, 5396, 5548, 7547, 9443, 9709, 10366, 15094, 18886, 19418, 20732, 30188, 36281, 37772, 38836, 52829, 72562, 98477, 105658, 143393, 145124, 196954, 211316, 286786, 393908, 535837, 550931, 573572, 689339, 1003751, 1071674, 1101862, 1378678, 2007502, 2143348, 2203724, 2757356, 3750859, 3856517, 4015004, 7501718, 7713034, 10180903, 10467689, 15003436, 15426068, 20361806, 20935378, 39116101, 40723612, 41870756, 71266321, 73273823, 78232202, 142532642, 146547646, 156464404, 273812707, 285065284, 293095292, 547625414, 743205919, 1095250828, 1486411838, 2972823676, 5202441433, 10404882866, 20809765732]

約数ペア:

[(1, 20809765732), (2, 10404882866), (4, 5202441433), (7, 2972823676), (14, 1486411838), (19, 1095250828), (28, 743205919), (38, 547625414), (71, 293095292), (73, 285065284), (76, 273812707), (133, 156464404), (142, 146547646), (146, 142532642), (266, 78232202), (284, 73273823), (292, 71266321), (497, 41870756), (511, 40723612), (532, 39116101), (994, 20935378), (1022, 20361806), (1349, 15426068), (1387, 15003436), (1988, 10467689), (2044, 10180903), (2698, 7713034), (2774, 7501718), (5183, 4015004), (5396, 3856517), (5548, 3750859), (7547, 2757356), (9443, 2203724), (9709, 2143348), (10366, 2007502), (15094, 1378678), (18886, 1101862), (19418, 1071674), (20732, 1003751), (30188, 689339), (36281, 573572), (37772, 550931), (38836, 535837), (52829, 393908), (72562, 286786), (98477, 211316), (105658, 196954), (143393, 145124)]