20752407

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2137}}^1$

素因数の和:2239

約数の個数: 24

約数和(自身を含む): 32685744

約数和(自身を除く): 11933337

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 747, 1079, 2137, 3237, 6411, 9711, 19233, 27781, 83343, 177371, 250029, 532113, 1596339, 2305823, 6917469, 20752407]

約数ペア:

[(1, 20752407), (3, 6917469), (9, 2305823), (13, 1596339), (39, 532113), (83, 250029), (117, 177371), (249, 83343), (747, 27781), (1079, 19233), (2137, 9711), (3237, 6411)]