20843457

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1747}}^1$

素因数の和:1888

約数の個数: 16

約数和(自身を含む): 28779072

約数和(自身を除く): 7935615

約数列:

[1, 3, 41, 97, 123, 291, 1747, 3977, 5241, 11931, 71627, 169459, 214881, 508377, 6947819, 20843457]

約数ペア:

[(1, 20843457), (3, 6947819), (41, 508377), (97, 214881), (123, 169459), (291, 71627), (1747, 11931), (3977, 5241)]