20714225

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2887}}^1$

素因数の和:2945

約数の個数: 24

約数和(自身を含む): 30081408

約数和(自身を除く): 9367183

約数列:

[1, 5, 7, 25, 35, 41, 175, 205, 287, 1025, 1435, 2887, 7175, 14435, 20209, 72175, 101045, 118367, 505225, 591835, 828569, 2959175, 4142845, 20714225]

約数ペア:

[(1, 20714225), (5, 4142845), (7, 2959175), (25, 828569), (35, 591835), (41, 505225), (175, 118367), (205, 101045), (287, 72175), (1025, 20209), (1435, 14435), (2887, 7175)]