20003997

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 11042403

約数列:

[1, 3, 13, 23, 29, 39, 69, 87, 299, 377, 667, 769, 897, 1131, 2001, 2307, 8671, 9997, 17687, 22301, 26013, 29991, 53061, 66903, 229931, 289913, 512923, 689793, 869739, 1538769, 6667999, 20003997]

約数ペア:

[(1, 20003997), (3, 6667999), (13, 1538769), (23, 869739), (29, 689793), (39, 512923), (69, 289913), (87, 229931), (299, 66903), (377, 53061), (667, 29991), (769, 26013), (897, 22301), (1131, 17687), (2001, 9997), (2307, 8671)]