20442188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1399}}^1$

素因数の和:1697

約数の個数: 24

約数和(自身を含む): 38690400

約数和(自身を除く): 18248212

約数列:

[1, 2, 4, 13, 26, 52, 281, 562, 1124, 1399, 2798, 3653, 5596, 7306, 14612, 18187, 36374, 72748, 393119, 786238, 1572476, 5110547, 10221094, 20442188]

約数ペア:

[(1, 20442188), (2, 10221094), (4, 5110547), (13, 1572476), (26, 786238), (52, 393119), (281, 72748), (562, 36374), (1124, 18187), (1399, 14612), (2798, 7306), (3653, 5596)]