20342225

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 26188800

約数和(自身を除く): 5846575

約数列:

[1, 5, 25, 43, 127, 149, 215, 635, 745, 1075, 3175, 3725, 5461, 6407, 18923, 27305, 32035, 94615, 136525, 160175, 473075, 813689, 4068445, 20342225]

約数ペア:

[(1, 20342225), (5, 4068445), (25, 813689), (43, 473075), (127, 160175), (149, 136525), (215, 94615), (635, 32035), (745, 27305), (1075, 18923), (3175, 6407), (3725, 5461)]