20178023788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2579}}^1\times {\mathrm{7919}}^1$

素因数の和:10534

約数の個数: 48

約数和(自身を含む): 40049856000

約数和(自身を除く): 19871832212

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 2579, 5158, 7919, 10316, 15838, 31676, 33527, 49001, 67054, 98002, 102947, 134108, 150461, 196004, 205894, 300922, 411788, 601844, 637013, 1274026, 1955993, 2548052, 3911986, 7823972, 20423101, 40846202, 81692404, 265500313, 388038919, 531000626, 776077838, 1062001252, 1552155676, 5044505947, 10089011894, 20178023788]

約数ペア:

[(1, 20178023788), (2, 10089011894), (4, 5044505947), (13, 1552155676), (19, 1062001252), (26, 776077838), (38, 531000626), (52, 388038919), (76, 265500313), (247, 81692404), (494, 40846202), (988, 20423101), (2579, 7823972), (5158, 3911986), (7919, 2548052), (10316, 1955993), (15838, 1274026), (31676, 637013), (33527, 601844), (49001, 411788), (67054, 300922), (98002, 205894), (102947, 196004), (134108, 150461)]