20142990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31973}}^1$

素因数の和:31993

約数の個数: 48

約数和(自身を含む): 59855328

約数和(自身を除く): 39712338

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 31973, 63946, 95919, 159865, 191838, 223811, 287757, 319730, 447622, 479595, 575514, 671433, 959190, 1119055, 1342866, 1438785, 2014299, 2238110, 2877570, 3357165, 4028598, 6714330, 10071495, 20142990]

約数ペア:

[(1, 20142990), (2, 10071495), (3, 6714330), (5, 4028598), (6, 3357165), (7, 2877570), (9, 2238110), (10, 2014299), (14, 1438785), (15, 1342866), (18, 1119055), (21, 959190), (30, 671433), (35, 575514), (42, 479595), (45, 447622), (63, 319730), (70, 287757), (90, 223811), (105, 191838), (126, 159865), (210, 95919), (315, 63946), (630, 31973)]