20199821276

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{56741071}}^1$

素因数の和:56741164

約数の個数: 12

約数和(自身を含む): 35746875360

約数和(自身を除く): 15547054084

約数列:

[1, 2, 4, 89, 178, 356, 56741071, 113482142, 226964284, 5049955319, 10099910638, 20199821276]

約数ペア:

[(1, 20199821276), (2, 10099910638), (4, 5049955319), (89, 226964284), (178, 113482142), (356, 56741071)]