20809976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{236477}}^1$

素因数の和:236494

約数の個数: 16

約数和(自身を含む): 42566040

約数和(自身を除く): 21756064

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 236477, 472954, 945908, 1891816, 2601247, 5202494, 10404988, 20809976]

約数ペア:

[(1, 20809976), (2, 10404988), (4, 5202494), (8, 2601247), (11, 1891816), (22, 945908), (44, 472954), (88, 236477)]