2020123567

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{26053}}^1$

素因数の和:26143

約数の個数: 32

約数和(自身を含む): 2701278720

約数和(自身を除く): 681155153

約数列:

[1, 7, 11, 19, 53, 77, 133, 209, 371, 583, 1007, 1463, 4081, 7049, 11077, 26053, 77539, 182371, 286583, 495007, 1380809, 2006081, 3465049, 5445077, 9665663, 15188899, 26235371, 38115539, 106322293, 183647597, 288589081, 2020123567]

約数ペア:

[(1, 2020123567), (7, 288589081), (11, 183647597), (19, 106322293), (53, 38115539), (77, 26235371), (133, 15188899), (209, 9665663), (371, 5445077), (583, 3465049), (1007, 2006081), (1463, 1380809), (4081, 495007), (7049, 286583), (11077, 182371), (26053, 77539)]