20738036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{733}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 39706464

約数和(自身を除く): 18968428

約数列:

[1, 2, 4, 11, 22, 44, 643, 733, 1286, 1466, 2572, 2932, 7073, 8063, 14146, 16126, 28292, 32252, 471319, 942638, 1885276, 5184509, 10369018, 20738036]

約数ペア:

[(1, 20738036), (2, 10369018), (4, 5184509), (11, 1885276), (22, 942638), (44, 471319), (643, 32252), (733, 28292), (1286, 16126), (1466, 14146), (2572, 8063), (2932, 7073)]