20142090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11779}}^1$

素因数の和:11811

約数の個数: 48

約数和(自身を含む): 55130400

約数和(自身を除く): 34988310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 11779, 23558, 35337, 58895, 70674, 106011, 117790, 176685, 212022, 223801, 353370, 447602, 530055, 671403, 1060110, 1119005, 1342806, 2014209, 2238010, 3357015, 4028418, 6714030, 10071045, 20142090]

約数ペア:

[(1, 20142090), (2, 10071045), (3, 6714030), (5, 4028418), (6, 3357015), (9, 2238010), (10, 2014209), (15, 1342806), (18, 1119005), (19, 1060110), (30, 671403), (38, 530055), (45, 447602), (57, 353370), (90, 223801), (95, 212022), (114, 176685), (171, 117790), (190, 106011), (285, 70674), (342, 58895), (570, 35337), (855, 23558), (1710, 11779)]