20149563775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1787101}}^1$

素因数の和:1787163

約数の個数: 24

約数和(自身を含む): 27921681648

約数和(自身を除く): 7772117873

約数列:

[1, 5, 11, 25, 41, 55, 205, 275, 451, 1025, 2255, 11275, 1787101, 8935505, 19658111, 44677525, 73271141, 98290555, 366355705, 491452775, 805982551, 1831778525, 4029912755, 20149563775]

約数ペア:

[(1, 20149563775), (5, 4029912755), (11, 1831778525), (25, 805982551), (41, 491452775), (55, 366355705), (205, 98290555), (275, 73271141), (451, 44677525), (1025, 19658111), (2255, 8935505), (11275, 1787101)]