20929925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 27602400

約数和(自身を除く): 6672475

約数列:

[1, 5, 19, 25, 95, 139, 317, 475, 695, 1585, 2641, 3475, 6023, 7925, 13205, 30115, 44063, 66025, 150575, 220315, 837197, 1101575, 4185985, 20929925]

約数ペア:

[(1, 20929925), (5, 4185985), (19, 1101575), (25, 837197), (95, 220315), (139, 150575), (317, 66025), (475, 44063), (695, 30115), (1585, 13205), (2641, 7925), (3475, 6023)]