20167911

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1999}}^1$

素因数の和:2083

約数の個数: 24

約数和(自身を含む): 31200000

約数和(自身を除く): 11032089

約数列:

[1, 3, 9, 19, 57, 59, 171, 177, 531, 1121, 1999, 3363, 5997, 10089, 17991, 37981, 113943, 117941, 341829, 353823, 1061469, 2240879, 6722637, 20167911]

約数ペア:

[(1, 20167911), (3, 6722637), (9, 2240879), (19, 1061469), (57, 353823), (59, 341829), (171, 117941), (177, 113943), (531, 37981), (1121, 17991), (1999, 10089), (3363, 5997)]