20331563

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{431}}^1$

素因数の和:754

約数の個数: 16

約数和(自身を含む): 24385536

約数和(自身を除く): 4053973

約数列:

[1, 7, 23, 161, 293, 431, 2051, 3017, 6739, 9913, 47173, 69391, 126283, 883981, 2904509, 20331563]

約数ペア:

[(1, 20331563), (7, 2904509), (23, 883981), (161, 126283), (293, 69391), (431, 47173), (2051, 9913), (3017, 6739)]