20530053

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{59}}^1$

素因数の和:170

約数の個数: 36

約数和(自身を含む): 32254560

約数和(自身を除く): 11724507

約数列:

[1, 3, 9, 23, 41, 59, 69, 123, 177, 207, 369, 531, 943, 1357, 1681, 2419, 2829, 4071, 5043, 7257, 8487, 12213, 15129, 21771, 38663, 55637, 99179, 115989, 166911, 297537, 347967, 500733, 892611, 2281117, 6843351, 20530053]

約数ペア:

[(1, 20530053), (3, 6843351), (9, 2281117), (23, 892611), (41, 500733), (59, 347967), (69, 297537), (123, 166911), (177, 115989), (207, 99179), (369, 55637), (531, 38663), (943, 21771), (1357, 15129), (1681, 12213), (2419, 8487), (2829, 7257), (4071, 5043)]