20187898339

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1\times {\mathrm{63781}}^1$

素因数の和:64330

約数の個数: 16

約数和(自身を含む): 23349314560

約数和(自身を除く): 3161416221

約数列:

[1, 7, 103, 439, 721, 3073, 45217, 63781, 316519, 446467, 6569443, 27999859, 45986101, 195999013, 2883985477, 20187898339]

約数ペア:

[(1, 20187898339), (7, 2883985477), (103, 195999013), (439, 45986101), (721, 27999859), (3073, 6569443), (45217, 446467), (63781, 316519)]