20321668078

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{9787}}^1\times {\mathrm{45139}}^1$

素因数の和:54951

約数の個数: 16

約数和(自身を含む): 31811783040

約数和(自身を除く): 11490114962

約数列:

[1, 2, 23, 46, 9787, 19574, 45139, 90278, 225101, 450202, 1038197, 2076394, 441775393, 883550786, 10160834039, 20321668078]

約数ペア:

[(1, 20321668078), (2, 10160834039), (23, 883550786), (46, 441775393), (9787, 2076394), (19574, 1038197), (45139, 450202), (90278, 225101)]