20681481

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{2027}}^1$

素因数の和:2228

約数の個数: 16

約数和(自身を含む): 29203200

約数和(自身を除く): 8521719

約数列:

[1, 3, 19, 57, 179, 537, 2027, 3401, 6081, 10203, 38513, 115539, 362833, 1088499, 6893827, 20681481]

約数ペア:

[(1, 20681481), (3, 6893827), (19, 1088499), (57, 362833), (179, 115539), (537, 38513), (2027, 10203), (3401, 6081)]