20199803860

素因数分解:

$2^2\times 5^1\times {\mathrm{8117}}^1\times {\mathrm{124429}}^1$

素因数の和:132555

約数の個数: 24

約数和(自身を含む): 42425155080

約数和(自身を除く): 22225351220

約数列:

[1, 2, 4, 5, 10, 20, 8117, 16234, 32468, 40585, 81170, 124429, 162340, 248858, 497716, 622145, 1244290, 2488580, 1009990193, 2019980386, 4039960772, 5049950965, 10099901930, 20199803860]

約数ペア:

[(1, 20199803860), (2, 10099901930), (4, 5049950965), (5, 4039960772), (10, 2019980386), (20, 1009990193), (8117, 2488580), (16234, 1244290), (32468, 622145), (40585, 497716), (81170, 248858), (124429, 162340)]