20851857

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59407}}^1$

素因数の和:59429

約数の個数: 16

約数和(自身を含む): 33268480

約数和(自身を除く): 12416623

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 59407, 178221, 534663, 772291, 1603989, 2316873, 6950619, 20851857]

約数ペア:

[(1, 20851857), (3, 6950619), (9, 2316873), (13, 1603989), (27, 772291), (39, 534663), (117, 178221), (351, 59407)]