20881806

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{316391}}^1$

素因数の和:316407

約数の個数: 16

約数和(自身を含む): 45560448

約数和(自身を除く): 24678642

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 316391, 632782, 949173, 1898346, 3480301, 6960602, 10440903, 20881806]

約数ペア:

[(1, 20881806), (2, 10440903), (3, 6960602), (6, 3480301), (11, 1898346), (22, 949173), (33, 632782), (66, 316391)]