20370279

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{709}}^1$

素因数の和:930

約数の個数: 16

約数和(自身を含む): 27820640

約数和(自身を除く): 7450361

約数列:

[1, 3, 61, 157, 183, 471, 709, 2127, 9577, 28731, 43249, 111313, 129747, 333939, 6790093, 20370279]

約数ペア:

[(1, 20370279), (3, 6790093), (61, 333939), (157, 129747), (183, 111313), (471, 43249), (709, 28731), (2127, 9577)]