20312001

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 30388904

約数和(自身を除く): 10076903

約数列:

[1, 3, 9, 37, 111, 181, 333, 337, 543, 1011, 1629, 3033, 6697, 12469, 20091, 37407, 60273, 60997, 112221, 182991, 548973, 2256889, 6770667, 20312001]

約数ペア:

[(1, 20312001), (3, 6770667), (9, 2256889), (37, 548973), (111, 182991), (181, 112221), (333, 60997), (337, 60273), (543, 37407), (1011, 20091), (1629, 12469), (3033, 6697)]