20293911

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{571}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 32123520

約数和(自身を除く): 11829609

約数列:

[1, 3, 9, 11, 33, 99, 359, 571, 1077, 1713, 3231, 3949, 5139, 6281, 11847, 18843, 35541, 56529, 204989, 614967, 1844901, 2254879, 6764637, 20293911]

約数ペア:

[(1, 20293911), (3, 6764637), (9, 2254879), (11, 1844901), (33, 614967), (99, 204989), (359, 56529), (571, 35541), (1077, 18843), (1713, 11847), (3231, 6281), (3949, 5139)]