20296221

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1427}}^1$

素因数の和:1872

約数の個数: 16

約数和(自身を含む): 29611008

約数和(自身を除く): 9314787

約数列:

[1, 3, 11, 33, 431, 1293, 1427, 4281, 4741, 14223, 15697, 47091, 615037, 1845111, 6765407, 20296221]

約数ペア:

[(1, 20296221), (3, 6765407), (11, 1845111), (33, 615037), (431, 47091), (1293, 15697), (1427, 14223), (4281, 4741)]