20425265

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25373}}^1$

素因数の和:25408

約数の個数: 16

約数和(自身を含む): 29230848

約数和(自身を除く): 8805583

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 25373, 126865, 177611, 583579, 888055, 2917895, 4085053, 20425265]

約数ペア:

[(1, 20425265), (5, 4085053), (7, 2917895), (23, 888055), (35, 583579), (115, 177611), (161, 126865), (805, 25373)]