20786290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{719}}^1$

素因数の和:799

約数の個数: 48

約数和(自身を含む): 44323200

約数和(自身を除く): 23536910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 59, 70, 98, 118, 245, 295, 413, 490, 590, 719, 826, 1438, 2065, 2891, 3595, 4130, 5033, 5782, 7190, 10066, 14455, 25165, 28910, 35231, 42421, 50330, 70462, 84842, 176155, 212105, 296947, 352310, 424210, 593894, 1484735, 2078629, 2969470, 4157258, 10393145, 20786290]

約数ペア:

[(1, 20786290), (2, 10393145), (5, 4157258), (7, 2969470), (10, 2078629), (14, 1484735), (35, 593894), (49, 424210), (59, 352310), (70, 296947), (98, 212105), (118, 176155), (245, 84842), (295, 70462), (413, 50330), (490, 42421), (590, 35231), (719, 28910), (826, 25165), (1438, 14455), (2065, 10066), (2891, 7190), (3595, 5782), (4130, 5033)]