20137978

素因数分解:

$2^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{3433}}^1$

素因数の和:3861

約数の個数: 16

約数和(自身を含む): 34614720

約数和(自身を除く): 14476742

約数列:

[1, 2, 7, 14, 419, 838, 2933, 3433, 5866, 6866, 24031, 48062, 1438427, 2876854, 10068989, 20137978]

約数ペア:

[(1, 20137978), (2, 10068989), (7, 2876854), (14, 1438427), (419, 48062), (838, 24031), (2933, 6866), (3433, 5866)]