20319464

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{991}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 41783040

約数和(自身を除く): 21463576

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 233, 466, 932, 991, 1864, 1982, 2563, 3964, 5126, 7928, 10252, 10901, 20504, 21802, 43604, 87208, 230903, 461806, 923612, 1847224, 2539933, 5079866, 10159732, 20319464]

約数ペア:

[(1, 20319464), (2, 10159732), (4, 5079866), (8, 2539933), (11, 1847224), (22, 923612), (44, 461806), (88, 230903), (233, 87208), (466, 43604), (932, 21802), (991, 20504), (1864, 10901), (1982, 10252), (2563, 7928), (3964, 5126)]