20611563

素因数分解:

$3^1\times 7^1\times {\mathrm{743}}^1\times {\mathrm{1321}}^1$

素因数の和:2074

約数の個数: 16

約数和(自身を含む): 31474176

約数和(自身を除く): 10862613

約数列:

[1, 3, 7, 21, 743, 1321, 2229, 3963, 5201, 9247, 15603, 27741, 981503, 2944509, 6870521, 20611563]

約数ペア:

[(1, 20611563), (3, 6870521), (7, 2944509), (21, 981503), (743, 27741), (1321, 15603), (2229, 9247), (3963, 5201)]