20926325

素因数分解:

$5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{607}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 29855232

約数和(自身を除く): 8928907

約数列:

[1, 5, 7, 25, 35, 175, 197, 607, 985, 1379, 3035, 4249, 4925, 6895, 15175, 21245, 34475, 106225, 119579, 597895, 837053, 2989475, 4185265, 20926325]

約数ペア:

[(1, 20926325), (5, 4185265), (7, 2989475), (25, 837053), (35, 597895), (175, 119579), (197, 106225), (607, 34475), (985, 21245), (1379, 15175), (3035, 6895), (4249, 4925)]