20194783839

素因数分解:

$3^4\times {\mathrm{1471}}^1\times {\mathrm{169489}}^1$

素因数の和:170972

約数の個数: 20

約数和(自身を含む): 30188202880

約数和(自身を除く): 9993419041

約数列:

[1, 3, 9, 27, 81, 1471, 4413, 13239, 39717, 119151, 169489, 508467, 1525401, 4576203, 13728609, 249318319, 747954957, 2243864871, 6731594613, 20194783839]

約数ペア:

[(1, 20194783839), (3, 6731594613), (9, 2243864871), (27, 747954957), (81, 249318319), (1471, 13728609), (4413, 4576203), (13239, 1525401), (39717, 508467), (119151, 169489)]