20195860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53147}}^1$

素因数の和:53175

約数の個数: 24

約数和(自身を含む): 44644320

約数和(自身を除く): 24448460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53147, 106294, 212588, 265735, 531470, 1009793, 1062940, 2019586, 4039172, 5048965, 10097930, 20195860]

約数ペア:

[(1, 20195860), (2, 10097930), (4, 5048965), (5, 4039172), (10, 2019586), (19, 1062940), (20, 1009793), (38, 531470), (76, 265735), (95, 212588), (190, 106294), (380, 53147)]