20005278

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{32371}}^1$

素因数の和:32479

約数の個数: 16

約数和(自身を含む): 40400256

約数和(自身を除く): 20394978

約数列:

[1, 2, 3, 6, 103, 206, 309, 618, 32371, 64742, 97113, 194226, 3334213, 6668426, 10002639, 20005278]

約数ペア:

[(1, 20005278), (2, 10002639), (3, 6668426), (6, 3334213), (103, 194226), (206, 97113), (309, 64742), (618, 32371)]