20578012

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56533}}^1$

素因数の和:56557

約数の個数: 24

約数和(自身を含む): 44322656

約数和(自身を除く): 23744644

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 56533, 113066, 226132, 395731, 734929, 791462, 1469858, 1582924, 2939716, 5144503, 10289006, 20578012]

約数ペア:

[(1, 20578012), (2, 10289006), (4, 5144503), (7, 2939716), (13, 1582924), (14, 1469858), (26, 791462), (28, 734929), (52, 395731), (91, 226132), (182, 113066), (364, 56533)]