20004884

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{547}}^1$

素因数の和:815

約数の個数: 24

約数和(自身を含む): 36089088

約数和(自身を除く): 16084204

約数列:

[1, 2, 4, 41, 82, 164, 223, 446, 547, 892, 1094, 2188, 9143, 18286, 22427, 36572, 44854, 89708, 121981, 243962, 487924, 5001221, 10002442, 20004884]

約数ペア:

[(1, 20004884), (2, 10002442), (4, 5001221), (41, 487924), (82, 243962), (164, 121981), (223, 89708), (446, 44854), (547, 36572), (892, 22427), (1094, 18286), (2188, 9143)]