20827075

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1249}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 27900000

約数和(自身を除く): 7072925

約数列:

[1, 5, 23, 25, 29, 115, 145, 575, 667, 725, 1249, 3335, 6245, 16675, 28727, 31225, 36221, 143635, 181105, 718175, 833083, 905525, 4165415, 20827075]

約数ペア:

[(1, 20827075), (5, 4165415), (23, 905525), (25, 833083), (29, 718175), (115, 181105), (145, 143635), (575, 36221), (667, 31225), (725, 28727), (1249, 16675), (3335, 6245)]