20205493

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1973}}^1$

素因数の和:2017

約数の個数: 24

約数和(自身を含む): 27004320

約数和(自身を除く): 6798827

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 539, 931, 1463, 1973, 10241, 13811, 21703, 37487, 96677, 151921, 262409, 412357, 1063447, 1836863, 2886499, 20205493]

約数ペア:

[(1, 20205493), (7, 2886499), (11, 1836863), (19, 1063447), (49, 412357), (77, 262409), (133, 151921), (209, 96677), (539, 37487), (931, 21703), (1463, 13811), (1973, 10241)]