20853879549

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2687}}^1\times {\mathrm{3539}}^1$

素因数の和:6289

約数の個数: 32

約数和(自身を含む): 30145167360

約数和(自身を除く): 9291287811

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 2687, 3539, 8061, 10617, 45679, 60163, 115541, 137037, 152177, 180489, 346623, 456531, 1964197, 2587009, 5892591, 7761027, 9509293, 28527879, 161657981, 408899599, 484973943, 1226698797, 6951293183, 20853879549]

約数ペア:

[(1, 20853879549), (3, 6951293183), (17, 1226698797), (43, 484973943), (51, 408899599), (129, 161657981), (731, 28527879), (2193, 9509293), (2687, 7761027), (3539, 5892591), (8061, 2587009), (10617, 1964197), (45679, 456531), (60163, 346623), (115541, 180489), (137037, 152177)]