20194163865

素因数分解:

$3^6\times 5^1\times {\mathrm{5540237}}^1$

素因数の和:5540260

約数の個数: 28

約数和(自身を含む): 36332880804

約数和(自身を除く): 16138716939

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 5540237, 16620711, 27701185, 49862133, 83103555, 149586399, 249310665, 448759197, 747931995, 1346277591, 2243795985, 4038832773, 6731387955, 20194163865]

約数ペア:

[(1, 20194163865), (3, 6731387955), (5, 4038832773), (9, 2243795985), (15, 1346277591), (27, 747931995), (45, 448759197), (81, 249310665), (135, 149586399), (243, 83103555), (405, 49862133), (729, 27701185), (1215, 16620711), (3645, 5540237)]