20296955

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19997}}^1$

素因数の和:20038

約数の個数: 16

約数和(自身を含む): 28797120

約数和(自身を除く): 8500165

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 19997, 99985, 139979, 579913, 699895, 2899565, 4059391, 20296955]

約数ペア:

[(1, 20296955), (5, 4059391), (7, 2899565), (29, 699895), (35, 579913), (145, 139979), (203, 99985), (1015, 19997)]