20447248

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12653}}^1$

素因数の和:12762

約数の個数: 20

約数和(自身を含む): 40011948

約数和(自身を除く): 19564700

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12653, 25306, 50612, 101224, 202448, 1277953, 2555906, 5111812, 10223624, 20447248]

約数ペア:

[(1, 20447248), (2, 10223624), (4, 5111812), (8, 2555906), (16, 1277953), (101, 202448), (202, 101224), (404, 50612), (808, 25306), (1616, 12653)]