20805302

素因数分解:

$2^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{4517}}^1$

素因数の和:4580

約数の個数: 24

約数和(自身を含む): 37083744

約数和(自身を除く): 16278442

約数列:

[1, 2, 7, 14, 47, 49, 94, 98, 329, 658, 2303, 4517, 4606, 9034, 31619, 63238, 212299, 221333, 424598, 442666, 1486093, 2972186, 10402651, 20805302]

約数ペア:

[(1, 20805302), (2, 10402651), (7, 2972186), (14, 1486093), (47, 442666), (49, 424598), (94, 221333), (98, 212299), (329, 63238), (658, 31619), (2303, 9034), (4517, 4606)]