20791705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{3533}}^1$

素因数の和:3656

約数の個数: 16

約数和(自身を含む): 27480384

約数和(自身を除く): 6688679

約数列:

[1, 5, 11, 55, 107, 535, 1177, 3533, 5885, 17665, 38863, 194315, 378031, 1890155, 4158341, 20791705]

約数ペア:

[(1, 20791705), (5, 4158341), (11, 1890155), (55, 378031), (107, 194315), (535, 38863), (1177, 17665), (3533, 5885)]