20669075

素因数分解:

$5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1423}}^1$

素因数の和:1523

約数の個数: 24

約数和(自身を含む): 29664768

約数和(自身を除く): 8995693

約数列:

[1, 5, 7, 25, 35, 83, 175, 415, 581, 1423, 2075, 2905, 7115, 9961, 14525, 35575, 49805, 118109, 249025, 590545, 826763, 2952725, 4133815, 20669075]

約数ペア:

[(1, 20669075), (5, 4133815), (7, 2952725), (25, 826763), (35, 590545), (83, 249025), (175, 118109), (415, 49805), (581, 35575), (1423, 14525), (2075, 9961), (2905, 7115)]