16920260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6361}}^1$

素因数の和:6396

約数の個数: 48

約数和(自身を含む): 42752640

約数和(自身を除く): 25832380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6361, 12722, 25444, 31805, 44527, 63610, 89054, 120859, 127220, 178108, 222635, 241718, 445270, 483436, 604295, 846013, 890540, 1208590, 1692026, 2417180, 3384052, 4230065, 8460130, 16920260]

約数ペア:

[(1, 16920260), (2, 8460130), (4, 4230065), (5, 3384052), (7, 2417180), (10, 1692026), (14, 1208590), (19, 890540), (20, 846013), (28, 604295), (35, 483436), (38, 445270), (70, 241718), (76, 222635), (95, 178108), (133, 127220), (140, 120859), (190, 89054), (266, 63610), (380, 44527), (532, 31805), (665, 25444), (1330, 12722), (2660, 6361)]