20017041410

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{5145769}}^1$

素因数の和:5146165

約数の個数: 16

約数和(自身を含む): 36123305400

約数和(自身を除く): 16106263990

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 5145769, 10291538, 25728845, 51457690, 2001704141, 4003408282, 10008520705, 20017041410]

約数ペア:

[(1, 20017041410), (2, 10008520705), (5, 4003408282), (10, 2001704141), (389, 51457690), (778, 25728845), (1945, 10291538), (3890, 5145769)]