204029072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{980909}}^1$

素因数の和:980930

約数の個数: 20

約数和(自身を含む): 425714940

約数和(自身を除く): 221685868

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 980909, 1961818, 3923636, 7847272, 12751817, 15694544, 25503634, 51007268, 102014536, 204029072]

約数ペア:

[(1, 204029072), (2, 102014536), (4, 51007268), (8, 25503634), (13, 15694544), (16, 12751817), (26, 7847272), (52, 3923636), (104, 1961818), (208, 980909)]