20071131

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{2477}}^1$

素因数の和:2590

約数の個数: 16

約数和(自身を含む): 27872544

約数和(自身を除く): 7801413

約数列:

[1, 3, 37, 73, 111, 219, 2477, 2701, 7431, 8103, 91649, 180821, 274947, 542463, 6690377, 20071131]

約数ペア:

[(1, 20071131), (3, 6690377), (37, 542463), (73, 274947), (111, 180821), (219, 91649), (2477, 8103), (2701, 7431)]