20655740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{147541}}^1$

素因数の和:147557

約数の個数: 24

約数和(自身を含む): 49574112

約数和(自身を除く): 28918372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 147541, 295082, 590164, 737705, 1032787, 1475410, 2065574, 2950820, 4131148, 5163935, 10327870, 20655740]

約数ペア:

[(1, 20655740), (2, 10327870), (4, 5163935), (5, 4131148), (7, 2950820), (10, 2065574), (14, 1475410), (20, 1032787), (28, 737705), (35, 590164), (70, 295082), (140, 147541)]