20647676

素因数分解:

$2^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{2089}}^1$

素因数の和:2453

約数の個数: 24

約数和(自身を含む): 41432160

約数和(自身を除く): 20784484

約数列:

[1, 2, 4, 7, 14, 28, 353, 706, 1412, 2089, 2471, 4178, 4942, 8356, 9884, 14623, 29246, 58492, 737417, 1474834, 2949668, 5161919, 10323838, 20647676]

約数ペア:

[(1, 20647676), (2, 10323838), (4, 5161919), (7, 2949668), (14, 1474834), (28, 737417), (353, 58492), (706, 29246), (1412, 14623), (2089, 9884), (2471, 8356), (4178, 4942)]