20285615

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{6983}}^1$

素因数の和:7078

約数の個数: 16

約数和(自身を含む): 28159488

約数和(自身を除く): 7873873

約数列:

[1, 5, 7, 35, 83, 415, 581, 2905, 6983, 34915, 48881, 244405, 579589, 2897945, 4057123, 20285615]

約数ペア:

[(1, 20285615), (5, 4057123), (7, 2897945), (35, 579589), (83, 244405), (415, 48881), (581, 34915), (2905, 6983)]