20242521

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{571}}^1$

素因数の和:694

約数の個数: 32

約数和(自身を含む): 32672640

約数和(自身を除く): 12430119

約数列:

[1, 3, 9, 13, 27, 39, 101, 117, 303, 351, 571, 909, 1313, 1713, 2727, 3939, 5139, 7423, 11817, 15417, 22269, 35451, 57671, 66807, 173013, 200421, 519039, 749723, 1557117, 2249169, 6747507, 20242521]

約数ペア:

[(1, 20242521), (3, 6747507), (9, 2249169), (13, 1557117), (27, 749723), (39, 519039), (101, 200421), (117, 173013), (303, 66807), (351, 57671), (571, 35451), (909, 22269), (1313, 15417), (1713, 11817), (2727, 7423), (3939, 5139)]