20148897

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6791}}^1$

素因数の和:6860

約数の個数: 16

約数和(自身を含む): 28689408

約数和(自身を除く): 8540511

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 6791, 20373, 156193, 292013, 468579, 876039, 6716299, 20148897]

約数ペア:

[(1, 20148897), (3, 6716299), (23, 876039), (43, 468579), (69, 292013), (129, 156193), (989, 20373), (2967, 6791)]