20802568

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{136859}}^1$

素因数の和:136884

約数の個数: 16

約数和(自身を含む): 41058000

約数和(自身を除く): 20255432

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 136859, 273718, 547436, 1094872, 2600321, 5200642, 10401284, 20802568]

約数ペア:

[(1, 20802568), (2, 10401284), (4, 5200642), (8, 2600321), (19, 1094872), (38, 547436), (76, 273718), (152, 136859)]