20761784

素因数分解:

$2^3\times {\mathrm{73}}^2\times {\mathrm{487}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 39549960

約数和(自身を除く): 18788176

約数列:

[1, 2, 4, 8, 73, 146, 292, 487, 584, 974, 1948, 3896, 5329, 10658, 21316, 35551, 42632, 71102, 142204, 284408, 2595223, 5190446, 10380892, 20761784]

約数ペア:

[(1, 20761784), (2, 10380892), (4, 5190446), (8, 2595223), (73, 284408), (146, 142204), (292, 71102), (487, 42632), (584, 35551), (974, 21316), (1948, 10658), (3896, 5329)]