20126435

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 8903965

約数列:

[1, 5, 7, 29, 35, 79, 145, 203, 251, 395, 553, 1015, 1255, 1757, 2291, 2765, 7279, 8785, 11455, 16037, 19829, 36395, 50953, 80185, 99145, 138803, 254765, 575041, 694015, 2875205, 4025287, 20126435]

約数ペア:

[(1, 20126435), (5, 4025287), (7, 2875205), (29, 694015), (35, 575041), (79, 254765), (145, 138803), (203, 99145), (251, 80185), (395, 50953), (553, 36395), (1015, 19829), (1255, 16037), (1757, 11455), (2291, 8785), (2765, 7279)]