20189071390

素因数分解:

$2^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{269}}^1\times {\mathrm{28537}}^1$

素因数の和:29076

約数の個数: 32

約数和(自身を含む): 36615395520

約数和(自身を除く): 16426324130

約数列:

[1, 2, 5, 10, 263, 269, 526, 538, 1315, 1345, 2630, 2690, 28537, 57074, 70747, 141494, 142685, 285370, 353735, 707470, 7505231, 7676453, 15010462, 15352906, 37526155, 38382265, 75052310, 76764530, 2018907139, 4037814278, 10094535695, 20189071390]

約数ペア:

[(1, 20189071390), (2, 10094535695), (5, 4037814278), (10, 2018907139), (263, 76764530), (269, 75052310), (526, 38382265), (538, 37526155), (1315, 15352906), (1345, 15010462), (2630, 7676453), (2690, 7505231), (28537, 707470), (57074, 353735), (70747, 285370), (141494, 142685)]