20195613

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1327}}^1$

素因数の和:1441

約数の個数: 24

約数和(自身を含む): 31075200

約数和(自身を除く): 10879587

約数列:

[1, 3, 9, 19, 57, 89, 171, 267, 801, 1327, 1691, 3981, 5073, 11943, 15219, 25213, 75639, 118103, 226917, 354309, 1062927, 2243957, 6731871, 20195613]

約数ペア:

[(1, 20195613), (3, 6731871), (9, 2243957), (19, 1062927), (57, 354309), (89, 226917), (171, 118103), (267, 75639), (801, 25213), (1327, 15219), (1691, 11943), (3981, 5073)]