20195695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1979}}^1$

素因数の和:2154

約数の個数: 16

約数和(自身を含む): 26278560

約数和(自身を除く): 6082865

約数列:

[1, 5, 13, 65, 157, 785, 1979, 2041, 9895, 10205, 25727, 128635, 310703, 1553515, 4039139, 20195695]

約数ペア:

[(1, 20195695), (5, 4039139), (13, 1553515), (65, 310703), (157, 128635), (785, 25727), (1979, 10205), (2041, 9895)]