19938700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{8669}}^1$

素因数の和:8706

約数の個数: 36

約数和(自身を含む): 45153360

約数和(自身を除く): 25214660

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 8669, 17338, 34676, 43345, 86690, 173380, 199387, 216725, 398774, 433450, 797548, 866900, 996935, 1993870, 3987740, 4984675, 9969350, 19938700]

約数ペア:

[(1, 19938700), (2, 9969350), (4, 4984675), (5, 3987740), (10, 1993870), (20, 996935), (23, 866900), (25, 797548), (46, 433450), (50, 398774), (92, 216725), (100, 199387), (115, 173380), (230, 86690), (460, 43345), (575, 34676), (1150, 17338), (2300, 8669)]