20082219

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{3823}}^1$

素因数の和:3946

約数の個数: 16

約数和(自身を含む): 28634112

約数和(自身を除く): 8551893

約数列:

[1, 3, 17, 51, 103, 309, 1751, 3823, 5253, 11469, 64991, 194973, 393769, 1181307, 6694073, 20082219]

約数ペア:

[(1, 20082219), (3, 6694073), (17, 1181307), (51, 393769), (103, 194973), (309, 64991), (1751, 11469), (3823, 5253)]