20507817

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{8513}}^1$

素因数の和:8600

約数の個数: 16

約数和(自身を含む): 30241728

約数和(自身を除く): 9733911

約数列:

[1, 3, 11, 33, 73, 219, 803, 2409, 8513, 25539, 93643, 280929, 621449, 1864347, 6835939, 20507817]

約数ペア:

[(1, 20507817), (3, 6835939), (11, 1864347), (33, 621449), (73, 280929), (219, 93643), (803, 25539), (2409, 8513)]