20606675

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 27089040

約数和(自身を除く): 6482365

約数列:

[1, 5, 25, 29, 43, 145, 215, 661, 725, 1075, 1247, 3305, 6235, 16525, 19169, 28423, 31175, 95845, 142115, 479225, 710575, 824267, 4121335, 20606675]

約数ペア:

[(1, 20606675), (5, 4121335), (25, 824267), (29, 710575), (43, 479225), (145, 142115), (215, 95845), (661, 31175), (725, 28423), (1075, 19169), (1247, 16525), (3305, 6235)]