20995952

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{77191}}^1$

素因数の和:77216

約数の個数: 20

約数和(自身を含む): 43073136

約数和(自身を除く): 22077184

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 77191, 154382, 308764, 617528, 1235056, 1312247, 2624494, 5248988, 10497976, 20995952]

約数ペア:

[(1, 20995952), (2, 10497976), (4, 5248988), (8, 2624494), (16, 1312247), (17, 1235056), (34, 617528), (68, 308764), (136, 154382), (272, 77191)]