20196868040

素因数分解:

$2^3\times 5^1\times {\mathrm{2423}}^1\times {\mathrm{208387}}^1$

素因数の和:210821

約数の個数: 32

約数和(自身を含む): 45461926080

約数和(自身を除く): 25265058040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2423, 4846, 9692, 12115, 19384, 24230, 48460, 96920, 208387, 416774, 833548, 1041935, 1667096, 2083870, 4167740, 8335480, 504921701, 1009843402, 2019686804, 2524608505, 4039373608, 5049217010, 10098434020, 20196868040]

約数ペア:

[(1, 20196868040), (2, 10098434020), (4, 5049217010), (5, 4039373608), (8, 2524608505), (10, 2019686804), (20, 1009843402), (40, 504921701), (2423, 8335480), (4846, 4167740), (9692, 2083870), (12115, 1667096), (19384, 1041935), (24230, 833548), (48460, 416774), (96920, 208387)]