20309275

素因数分解:

$5^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:364

約数の個数: 36

約数和(自身を含む): 29897640

約数和(自身を除く): 9588365

約数列:

[1, 5, 7, 25, 35, 49, 59, 175, 245, 281, 295, 413, 1225, 1405, 1475, 1967, 2065, 2891, 7025, 9835, 10325, 13769, 14455, 16579, 49175, 68845, 72275, 82895, 116053, 344225, 414475, 580265, 812371, 2901325, 4061855, 20309275]

約数ペア:

[(1, 20309275), (5, 4061855), (7, 2901325), (25, 812371), (35, 580265), (49, 414475), (59, 344225), (175, 116053), (245, 82895), (281, 72275), (295, 68845), (413, 49175), (1225, 16579), (1405, 14455), (1475, 13769), (1967, 10325), (2065, 9835), (2891, 7025)]