2001363568

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{245747}}^1$

素因数の和:246264

約数の個数: 20

約数和(自身を含む): 3885275880

約数和(自身を除く): 1883912312

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 4072, 8144, 245747, 491494, 982988, 1965976, 3931952, 125085223, 250170446, 500340892, 1000681784, 2001363568]

約数ペア:

[(1, 2001363568), (2, 1000681784), (4, 500340892), (8, 250170446), (16, 125085223), (509, 3931952), (1018, 1965976), (2036, 982988), (4072, 491494), (8144, 245747)]