20172908

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5417}}^1$

素因数の和:5454

約数の個数: 36

約数和(自身を含む): 43235640

約数和(自身を除く): 23062732

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5417, 10834, 21668, 37919, 75838, 102923, 151676, 205846, 265433, 411692, 530866, 720461, 1061732, 1440922, 2881844, 5043227, 10086454, 20172908]

約数ペア:

[(1, 20172908), (2, 10086454), (4, 5043227), (7, 2881844), (14, 1440922), (19, 1061732), (28, 720461), (38, 530866), (49, 411692), (76, 265433), (98, 205846), (133, 151676), (196, 102923), (266, 75838), (532, 37919), (931, 21668), (1862, 10834), (3724, 5417)]