20291487

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{1123}}^1$

素因数の和:1462

約数の個数: 16

約数和(自身を含む): 28594560

約数和(自身を除く): 8303073

約数列:

[1, 3, 19, 57, 317, 951, 1123, 3369, 6023, 18069, 21337, 64011, 355991, 1067973, 6763829, 20291487]

約数ペア:

[(1, 20291487), (3, 6763829), (19, 1067973), (57, 355991), (317, 64011), (951, 21337), (1123, 18069), (3369, 6023)]