20090642285

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{63197}}^1$

素因数の和:63533

約数の個数: 32

約数和(自身を含む): 28539205632

約数和(自身を除く): 8448563347

約数列:

[1, 5, 7, 31, 35, 155, 217, 293, 1085, 1465, 2051, 9083, 10255, 45415, 63197, 63581, 315985, 317905, 442379, 1959107, 2211895, 9795535, 13713749, 18516721, 68568745, 92583605, 129617047, 574018351, 648085235, 2870091755, 4018128457, 20090642285]

約数ペア:

[(1, 20090642285), (5, 4018128457), (7, 2870091755), (31, 648085235), (35, 574018351), (155, 129617047), (217, 92583605), (293, 68568745), (1085, 18516721), (1465, 13713749), (2051, 9795535), (9083, 2211895), (10255, 1959107), (45415, 442379), (63197, 317905), (63581, 315985)]