20995984

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{7331}}^1$

素因数の和:7518

約数の個数: 20

約数和(自身を含む): 40912560

約数和(自身を除く): 19916576

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 7331, 14662, 29324, 58648, 117296, 1312249, 2624498, 5248996, 10497992, 20995984]

約数ペア:

[(1, 20995984), (2, 10497992), (4, 5248996), (8, 2624498), (16, 1312249), (179, 117296), (358, 58648), (716, 29324), (1432, 14662), (2864, 7331)]