20741275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1319}}^1$

素因数の和:1383

約数の個数: 24

約数和(自身を含む): 27989280

約数和(自身を除く): 7248005

約数列:

[1, 5, 17, 25, 37, 85, 185, 425, 629, 925, 1319, 3145, 6595, 15725, 22423, 32975, 48803, 112115, 244015, 560575, 829651, 1220075, 4148255, 20741275]

約数ペア:

[(1, 20741275), (5, 4148255), (17, 1220075), (25, 829651), (37, 560575), (85, 244015), (185, 112115), (425, 48803), (629, 32975), (925, 22423), (1319, 15725), (3145, 6595)]