20755844

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{577}}^1$

素因数の和:644

約数の個数: 36

約数和(自身を含む): 40273884

約数和(自身を除く): 19518040

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 529, 577, 782, 1058, 1154, 1564, 2116, 2308, 8993, 9809, 13271, 17986, 19618, 26542, 35972, 39236, 53084, 225607, 305233, 451214, 610466, 902428, 1220932, 5188961, 10377922, 20755844]

約数ペア:

[(1, 20755844), (2, 10377922), (4, 5188961), (17, 1220932), (23, 902428), (34, 610466), (46, 451214), (68, 305233), (92, 225607), (391, 53084), (529, 39236), (577, 35972), (782, 26542), (1058, 19618), (1154, 17986), (1564, 13271), (2116, 9809), (2308, 8993)]