20826836

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1879}}^1$

素因数の和:2063

約数の個数: 24

約数和(自身を含む): 38848320

約数和(自身を除く): 18021484

約数列:

[1, 2, 4, 17, 34, 68, 163, 326, 652, 1879, 2771, 3758, 5542, 7516, 11084, 31943, 63886, 127772, 306277, 612554, 1225108, 5206709, 10413418, 20826836]

約数ペア:

[(1, 20826836), (2, 10413418), (4, 5206709), (17, 1225108), (34, 612554), (68, 306277), (163, 127772), (326, 63886), (652, 31943), (1879, 11084), (2771, 7516), (3758, 5542)]