20021023557

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{1747}}^1\times {\mathrm{9871}}^1$

素因数の和:11670

約数の個数: 32

約数和(自身を含む): 30371010560

約数和(自身を除く): 10349987003

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 1747, 5241, 9871, 15723, 29613, 47169, 75121, 88839, 225363, 266517, 424453, 676089, 1273359, 2028267, 3820077, 11460231, 17244637, 51733911, 155201733, 465605199, 741519391, 2224558173, 6673674519, 20021023557]

約数ペア:

[(1, 20021023557), (3, 6673674519), (9, 2224558173), (27, 741519391), (43, 465605199), (129, 155201733), (387, 51733911), (1161, 17244637), (1747, 11460231), (5241, 3820077), (9871, 2028267), (15723, 1273359), (29613, 676089), (47169, 424453), (75121, 266517), (88839, 225363)]