20163476980

素因数分解:

$2^2\times 5^1\times {\mathrm{18691}}^1\times {\mathrm{53939}}^1$

素因数の和:72639

約数の個数: 24

約数和(自身を含む): 42346352160

約数和(自身を除く): 22182875180

約数列:

[1, 2, 4, 5, 10, 20, 18691, 37382, 53939, 74764, 93455, 107878, 186910, 215756, 269695, 373820, 539390, 1078780, 1008173849, 2016347698, 4032695396, 5040869245, 10081738490, 20163476980]

約数ペア:

[(1, 20163476980), (2, 10081738490), (4, 5040869245), (5, 4032695396), (10, 2016347698), (20, 1008173849), (18691, 1078780), (37382, 539390), (53939, 373820), (74764, 269695), (93455, 215756), (107878, 186910)]