20887574

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{1051}}^1$

素因数の和:1595

約数の個数: 16

約数和(自身を含む): 33074880

約数和(自身を除く): 12187306

約数列:

[1, 2, 19, 38, 523, 1046, 1051, 2102, 9937, 19874, 19969, 39938, 549673, 1099346, 10443787, 20887574]

約数ペア:

[(1, 20887574), (2, 10443787), (19, 1099346), (38, 549673), (523, 39938), (1046, 19969), (1051, 19874), (2102, 9937)]