520018220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1368469}}^1$

素因数の和:1368497

約数の個数: 24

約数和(自身を含む): 1149514800

約数和(自身を除く): 629496580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1368469, 2736938, 5473876, 6842345, 13684690, 26000911, 27369380, 52001822, 104003644, 130004555, 260009110, 520018220]

約数ペア:

[(1, 520018220), (2, 260009110), (4, 130004555), (5, 104003644), (10, 52001822), (19, 27369380), (20, 26000911), (38, 13684690), (76, 6842345), (95, 5473876), (190, 2736938), (380, 1368469)]