20331605

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 28926720

約数和(自身を除く): 8595115

約数列:

[1, 5, 7, 35, 61, 89, 107, 305, 427, 445, 535, 623, 749, 2135, 3115, 3745, 5429, 6527, 9523, 27145, 32635, 38003, 45689, 47615, 66661, 190015, 228445, 333305, 580903, 2904515, 4066321, 20331605]

約数ペア:

[(1, 20331605), (5, 4066321), (7, 2904515), (35, 580903), (61, 333305), (89, 228445), (107, 190015), (305, 66661), (427, 47615), (445, 45689), (535, 38003), (623, 32635), (749, 27145), (2135, 9523), (3115, 6527), (3745, 5429)]