20765710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42379}}^1$

素因数の和:42400

約数の個数: 24

約数和(自身を含む): 43481880

約数和(自身を除く): 22716170

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42379, 84758, 211895, 296653, 423790, 593306, 1483265, 2076571, 2966530, 4153142, 10382855, 20765710]

約数ペア:

[(1, 20765710), (2, 10382855), (5, 4153142), (7, 2966530), (10, 2076571), (14, 1483265), (35, 593306), (49, 423790), (70, 296653), (98, 211895), (245, 84758), (490, 42379)]