16304420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2003}}^1$

素因数の和:2060

約数の個数: 48

約数和(自身を含む): 38380608

約数和(自身を除く): 22076188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2003, 2035, 4006, 4070, 8012, 8140, 10015, 20030, 22033, 40060, 44066, 74111, 88132, 110165, 148222, 220330, 296444, 370555, 440660, 741110, 815221, 1482220, 1630442, 3260884, 4076105, 8152210, 16304420]

約数ペア:

[(1, 16304420), (2, 8152210), (4, 4076105), (5, 3260884), (10, 1630442), (11, 1482220), (20, 815221), (22, 741110), (37, 440660), (44, 370555), (55, 296444), (74, 220330), (110, 148222), (148, 110165), (185, 88132), (220, 74111), (370, 44066), (407, 40060), (740, 22033), (814, 20030), (1628, 10015), (2003, 8140), (2035, 8012), (4006, 4070)]