20905668

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27653}}^1$

素因数の和:27673

約数の個数: 48

約数和(自身を含む): 61944960

約数和(自身を除く): 41039292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27653, 55306, 82959, 110612, 165918, 193571, 248877, 331836, 387142, 497754, 580713, 746631, 774284, 995508, 1161426, 1493262, 1742139, 2322852, 2986524, 3484278, 5226417, 6968556, 10452834, 20905668]

約数ペア:

[(1, 20905668), (2, 10452834), (3, 6968556), (4, 5226417), (6, 3484278), (7, 2986524), (9, 2322852), (12, 1742139), (14, 1493262), (18, 1161426), (21, 995508), (27, 774284), (28, 746631), (36, 580713), (42, 497754), (54, 387142), (63, 331836), (84, 248877), (108, 193571), (126, 165918), (189, 110612), (252, 82959), (378, 55306), (756, 27653)]