20839203

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{30071}}^1$

素因数の和:30095

約数の個数: 24

約数和(自身を含む): 37529856

約数和(自身を除く): 16690653

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 30071, 90213, 210497, 270639, 330781, 631491, 992343, 1894473, 2315467, 2977029, 6946401, 20839203]

約数ペア:

[(1, 20839203), (3, 6946401), (7, 2977029), (9, 2315467), (11, 1894473), (21, 992343), (33, 631491), (63, 330781), (77, 270639), (99, 210497), (231, 90213), (693, 30071)]