20476391

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 22752576

約数和(自身を除く): 2276185

約数列:

[1, 13, 53, 113, 263, 689, 1469, 3419, 5989, 13939, 29719, 77857, 181207, 386347, 1575107, 20476391]

約数ペア:

[(1, 20476391), (13, 1575107), (53, 386347), (113, 181207), (263, 77857), (689, 29719), (1469, 13939), (3419, 5989)]