20731606

素因数分解:

$2^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 37094400

約数和(自身を除く): 16362794

約数列:

[1, 2, 7, 14, 47, 49, 94, 98, 329, 343, 643, 658, 686, 1286, 2303, 4501, 4606, 9002, 16121, 30221, 31507, 32242, 60442, 63014, 211547, 220549, 423094, 441098, 1480829, 2961658, 10365803, 20731606]

約数ペア:

[(1, 20731606), (2, 10365803), (7, 2961658), (14, 1480829), (47, 441098), (49, 423094), (94, 220549), (98, 211547), (329, 63014), (343, 60442), (643, 32242), (658, 31507), (686, 30221), (1286, 16121), (2303, 9002), (4501, 4606)]