20186649

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4513}}^1$

素因数の和:4597

約数の個数: 24

約数和(自身を含む): 33800832

約数和(自身を除く): 13614183

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 4513, 13539, 31591, 40617, 94773, 284319, 320423, 961269, 2242961, 2883807, 6728883, 20186649]

約数ペア:

[(1, 20186649), (3, 6728883), (7, 2883807), (9, 2242961), (21, 961269), (63, 320423), (71, 284319), (213, 94773), (497, 40617), (639, 31591), (1491, 13539), (4473, 4513)]