20916028

素因数分解:

$2^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{3911}}^1$

素因数の和:4113

約数の個数: 24

約数和(自身を含む): 42061824

約数和(自身を除く): 21145796

約数列:

[1, 2, 4, 7, 14, 28, 191, 382, 764, 1337, 2674, 3911, 5348, 7822, 15644, 27377, 54754, 109508, 747001, 1494002, 2988004, 5229007, 10458014, 20916028]

約数ペア:

[(1, 20916028), (2, 10458014), (4, 5229007), (7, 2988004), (14, 1494002), (28, 747001), (191, 109508), (382, 54754), (764, 27377), (1337, 15644), (2674, 7822), (3911, 5348)]