20159540905

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{6939601}}^1$

素因数の和:6939696

約数の個数: 16

約数和(自身を含む): 27980475264

約数和(自身を除く): 7820934359

約数列:

[1, 5, 7, 35, 83, 415, 581, 2905, 6939601, 34698005, 48577207, 242886035, 575986883, 2879934415, 4031908181, 20159540905]

約数ペア:

[(1, 20159540905), (5, 4031908181), (7, 2879934415), (35, 575986883), (83, 242886035), (415, 48577207), (581, 34698005), (2905, 6939601)]