20919153

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{883}}^1$

素因数の和:1088

約数の個数: 16

約数和(自身を含む): 28641600

約数和(自身を除く): 7722447

約数列:

[1, 3, 53, 149, 159, 447, 883, 2649, 7897, 23691, 46799, 131567, 140397, 394701, 6973051, 20919153]

約数ペア:

[(1, 20919153), (3, 6973051), (53, 394701), (149, 140397), (159, 131567), (447, 46799), (883, 23691), (2649, 7897)]