20956749

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{27611}}^1$

素因数の和:27648

約数の個数: 16

約数和(自身を含む): 31809024

約数和(自身を除く): 10852275

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 27611, 82833, 303721, 635053, 911163, 1905159, 6985583, 20956749]

約数ペア:

[(1, 20956749), (3, 6985583), (11, 1905159), (23, 911163), (33, 635053), (69, 303721), (253, 82833), (759, 27611)]