20565732105

素因数分解:

$3^2\times 5^1\times {\mathrm{457016269}}^1$

素因数の和:457016280

約数の個数: 12

約数和(自身を含む): 35647269060

約数和(自身を除く): 15081536955

約数列:

[1, 3, 5, 9, 15, 45, 457016269, 1371048807, 2285081345, 4113146421, 6855244035, 20565732105]

約数ペア:

[(1, 20565732105), (3, 6855244035), (5, 4113146421), (9, 2285081345), (15, 1371048807), (45, 457016269)]