20787666

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{33637}}^1$

素因数の和:33745

約数の個数: 16

約数和(自身を含む): 41980224

約数和(自身を除く): 21192558

約数列:

[1, 2, 3, 6, 103, 206, 309, 618, 33637, 67274, 100911, 201822, 3464611, 6929222, 10393833, 20787666]

約数ペア:

[(1, 20787666), (2, 10393833), (3, 6929222), (6, 3464611), (103, 201822), (206, 100911), (309, 67274), (618, 33637)]