20153882

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 35735040

約数和(自身を除く): 15581158

約数列:

[1, 2, 7, 14, 47, 94, 109, 218, 281, 329, 562, 658, 763, 1526, 1967, 3934, 5123, 10246, 13207, 26414, 30629, 35861, 61258, 71722, 92449, 184898, 214403, 428806, 1439563, 2879126, 10076941, 20153882]

約数ペア:

[(1, 20153882), (2, 10076941), (7, 2879126), (14, 1439563), (47, 428806), (94, 214403), (109, 184898), (218, 92449), (281, 71722), (329, 61258), (562, 35861), (658, 30629), (763, 26414), (1526, 13207), (1967, 10246), (3934, 5123)]