20437173

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 30270240

約数和(自身を除く): 9833067

約数列:

[1, 3, 9, 83, 109, 249, 251, 327, 747, 753, 981, 2259, 9047, 20833, 27141, 27359, 62499, 81423, 82077, 187497, 246231, 2270797, 6812391, 20437173]

約数ペア:

[(1, 20437173), (3, 6812391), (9, 2270797), (83, 246231), (109, 187497), (249, 82077), (251, 81423), (327, 62499), (747, 27359), (753, 27141), (981, 20833), (2259, 9047)]