20193379

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:510

約数の個数: 16

約数和(自身を含む): 22052160

約数和(自身を除く): 1858781

約数列:

[1, 23, 37, 61, 389, 851, 1403, 2257, 8947, 14393, 23729, 51911, 331039, 545767, 877973, 20193379]

約数ペア:

[(1, 20193379), (23, 877973), (37, 545767), (61, 331039), (389, 51911), (851, 23729), (1403, 14393), (2257, 8947)]