20754711

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{2879}}^1$

素因数の和:2980

約数の個数: 20

約数和(自身を含む): 31363200

約数和(自身を除く): 10608489

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 2879, 7209, 8637, 25911, 77733, 233199, 256231, 768693, 2306079, 6918237, 20754711]

約数ペア:

[(1, 20754711), (3, 6918237), (9, 2306079), (27, 768693), (81, 256231), (89, 233199), (267, 77733), (801, 25911), (2403, 8637), (2879, 7209)]