20709856

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{12211}}^1$

素因数の和:12274

約数の個数: 24

約数和(自身を含む): 41545224

約数和(自身を除く): 20835368

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 12211, 24422, 48844, 97688, 195376, 390752, 647183, 1294366, 2588732, 5177464, 10354928, 20709856]

約数ペア:

[(1, 20709856), (2, 10354928), (4, 5177464), (8, 2588732), (16, 1294366), (32, 647183), (53, 390752), (106, 195376), (212, 97688), (424, 48844), (848, 24422), (1696, 12211)]