20172788015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4938259}}^1$

素因数の和:4938326

約数の個数: 16

約数和(自身を含む): 26074012800

約数和(自身を除く): 5901224785

約数列:

[1, 5, 19, 43, 95, 215, 817, 4085, 4938259, 24691295, 93826921, 212345137, 469134605, 1061725685, 4034557603, 20172788015]

約数ペア:

[(1, 20172788015), (5, 4034557603), (19, 1061725685), (43, 469134605), (95, 212345137), (215, 93826921), (817, 24691295), (4085, 4938259)]