20178032853

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{678641}}^1$

素因数の和:678725

約数の個数: 32

約数和(自身を含む): 31662721152

約数和(自身を除く): 11484688299

約数列:

[1, 3, 11, 17, 33, 51, 53, 159, 187, 561, 583, 901, 1749, 2703, 9911, 29733, 678641, 2035923, 7465051, 11536897, 22395153, 34610691, 35967973, 107903919, 126905867, 380717601, 395647703, 611455541, 1186943109, 1834366623, 6726010951, 20178032853]

約数ペア:

[(1, 20178032853), (3, 6726010951), (11, 1834366623), (17, 1186943109), (33, 611455541), (51, 395647703), (53, 380717601), (159, 126905867), (187, 107903919), (561, 35967973), (583, 34610691), (901, 22395153), (1749, 11536897), (2703, 7465051), (9911, 2035923), (29733, 678641)]