20575688

素因数分解:

$2^3\times 7^2\times {\mathrm{52489}}^1$

素因数の和:52509

約数の個数: 24

約数和(自身を含む): 44878950

約数和(自身を除く): 24303262

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 52489, 104978, 209956, 367423, 419912, 734846, 1469692, 2571961, 2939384, 5143922, 10287844, 20575688]

約数ペア:

[(1, 20575688), (2, 10287844), (4, 5143922), (7, 2939384), (8, 2571961), (14, 1469692), (28, 734846), (49, 419912), (56, 367423), (98, 209956), (196, 104978), (392, 52489)]