20147708

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9857}}^1$

素因数の和:9941

約数の個数: 24

約数和(自身を含む): 40851552

約数和(自身を除く): 20703844

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 9857, 19714, 39428, 68999, 137998, 275996, 719561, 1439122, 2878244, 5036927, 10073854, 20147708]

約数ペア:

[(1, 20147708), (2, 10073854), (4, 5036927), (7, 2878244), (14, 1439122), (28, 719561), (73, 275996), (146, 137998), (292, 68999), (511, 39428), (1022, 19714), (2044, 9857)]