20127495

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10243}}^1$

素因数の和:10382

約数の個数: 16

約数和(自身を含む): 32452992

約数和(自身を除く): 12325497

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 10243, 30729, 51215, 153645, 1341833, 4025499, 6709165, 20127495]

約数ペア:

[(1, 20127495), (3, 6709165), (5, 4025499), (15, 1341833), (131, 153645), (393, 51215), (655, 30729), (1965, 10243)]