20174990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4957}}^1$

素因数の和:5012

約数の個数: 32

約数和(自身を含む): 40695264

約数和(自身を除く): 20520274

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 4957, 9914, 24785, 49570, 54527, 109054, 183409, 272635, 366818, 545270, 917045, 1834090, 2017499, 4034998, 10087495, 20174990]

約数ペア:

[(1, 20174990), (2, 10087495), (5, 4034998), (10, 2017499), (11, 1834090), (22, 917045), (37, 545270), (55, 366818), (74, 272635), (110, 183409), (185, 109054), (370, 54527), (407, 49570), (814, 24785), (2035, 9914), (4070, 4957)]