19720542

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{69931}}^1$

素因数の和:69983

約数の個数: 16

約数和(自身を含む): 40280832

約数和(自身を除く): 20560290

約数列:

[1, 2, 3, 6, 47, 94, 141, 282, 69931, 139862, 209793, 419586, 3286757, 6573514, 9860271, 19720542]

約数ペア:

[(1, 19720542), (2, 9860271), (3, 6573514), (6, 3286757), (47, 419586), (94, 209793), (141, 139862), (282, 69931)]