20627285

素因数分解:

$5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1427}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 29302560

約数和(自身を除く): 8675275

約数列:

[1, 5, 7, 35, 49, 59, 245, 295, 413, 1427, 2065, 2891, 7135, 9989, 14455, 49945, 69923, 84193, 349615, 420965, 589351, 2946755, 4125457, 20627285]

約数ペア:

[(1, 20627285), (5, 4125457), (7, 2946755), (35, 589351), (49, 420965), (59, 349615), (245, 84193), (295, 69923), (413, 49945), (1427, 14455), (2065, 9989), (2891, 7135)]