20512278455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2907481}}^1$

素因数の和:2907586

約数の個数: 16

約数和(自身を含む): 26376676704

約数和(自身を除く): 5864398249

約数列:

[1, 5, 17, 83, 85, 415, 1411, 7055, 2907481, 14537405, 49427177, 241320923, 247135885, 1206604615, 4102455691, 20512278455]

約数ペア:

[(1, 20512278455), (5, 4102455691), (17, 1206604615), (83, 247135885), (85, 241320923), (415, 49427177), (1411, 14537405), (7055, 2907481)]