20124572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20369}}^1$

素因数の和:20405

約数の個数: 24

約数和(自身を含む): 39925200

約数和(自身を除く): 19800628

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20369, 40738, 81476, 264797, 387011, 529594, 774022, 1059188, 1548044, 5031143, 10062286, 20124572]

約数ペア:

[(1, 20124572), (2, 10062286), (4, 5031143), (13, 1548044), (19, 1059188), (26, 774022), (38, 529594), (52, 387011), (76, 264797), (247, 81476), (494, 40738), (988, 20369)]