20545722

素因数分解:

$2^1\times 3^2\times {\mathrm{571}}^1\times {\mathrm{1999}}^1$

素因数の和:2578

約数の個数: 24

約数和(自身を含む): 44616000

約数和(自身を除く): 24070278

約数列:

[1, 2, 3, 6, 9, 18, 571, 1142, 1713, 1999, 3426, 3998, 5139, 5997, 10278, 11994, 17991, 35982, 1141429, 2282858, 3424287, 6848574, 10272861, 20545722]

約数ペア:

[(1, 20545722), (2, 10272861), (3, 6848574), (6, 3424287), (9, 2282858), (18, 1141429), (571, 35982), (1142, 17991), (1713, 11994), (1999, 10278), (3426, 5997), (3998, 5139)]