20827831976

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{181693}}^1$

素因数の和:181818

約数の個数: 64

約数和(自身を含む): 47095084800

約数和(自身を除く): 26267252824

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 89, 92, 161, 178, 184, 322, 356, 623, 644, 712, 1246, 1288, 2047, 2492, 4094, 4984, 8188, 14329, 16376, 28658, 57316, 114632, 181693, 363386, 726772, 1271851, 1453544, 2543702, 4178939, 5087404, 8357878, 10174808, 16170677, 16715756, 29252573, 32341354, 33431512, 58505146, 64682708, 113194739, 117010292, 129365416, 226389478, 234020584, 371925571, 452778956, 743851142, 905557912, 1487702284, 2603478997, 2975404568, 5206957994, 10413915988, 20827831976]

約数ペア:

[(1, 20827831976), (2, 10413915988), (4, 5206957994), (7, 2975404568), (8, 2603478997), (14, 1487702284), (23, 905557912), (28, 743851142), (46, 452778956), (56, 371925571), (89, 234020584), (92, 226389478), (161, 129365416), (178, 117010292), (184, 113194739), (322, 64682708), (356, 58505146), (623, 33431512), (644, 32341354), (712, 29252573), (1246, 16715756), (1288, 16170677), (2047, 10174808), (2492, 8357878), (4094, 5087404), (4984, 4178939), (8188, 2543702), (14329, 1453544), (16376, 1271851), (28658, 726772), (57316, 363386), (114632, 181693)]