20020971

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{1621}}^1$

素因数の和:1826

約数の個数: 16

約数和(自身を含む): 28028160

約数和(自身を除く): 8007189

約数列:

[1, 3, 23, 69, 179, 537, 1621, 4117, 4863, 12351, 37283, 111849, 290159, 870477, 6673657, 20020971]

約数ペア:

[(1, 20020971), (3, 6673657), (23, 870477), (69, 290159), (179, 111849), (537, 37283), (1621, 12351), (4117, 4863)]