20752795

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{617}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 29456352

約数和(自身を除く): 8703557

約数列:

[1, 5, 7, 31, 35, 155, 217, 617, 961, 1085, 3085, 4319, 4805, 6727, 19127, 21595, 33635, 95635, 133889, 592937, 669445, 2964685, 4150559, 20752795]

約数ペア:

[(1, 20752795), (5, 4150559), (7, 2964685), (31, 669445), (35, 592937), (155, 133889), (217, 95635), (617, 33635), (961, 21595), (1085, 19127), (3085, 6727), (4319, 4805)]