20199365984

素因数分解:

$2^5\times 7^1\times {\mathrm{1021}}^1\times {\mathrm{88321}}^1$

素因数の和:89359

約数の個数: 48

約数和(自身を含む): 45493602336

約数和(自身を除く): 25294236352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 1021, 2042, 4084, 7147, 8168, 14294, 16336, 28588, 32672, 57176, 88321, 114352, 176642, 228704, 353284, 618247, 706568, 1236494, 1413136, 2472988, 2826272, 4945976, 9891952, 19783904, 90175741, 180351482, 360702964, 631230187, 721405928, 1262460374, 1442811856, 2524920748, 2885623712, 5049841496, 10099682992, 20199365984]

約数ペア:

[(1, 20199365984), (2, 10099682992), (4, 5049841496), (7, 2885623712), (8, 2524920748), (14, 1442811856), (16, 1262460374), (28, 721405928), (32, 631230187), (56, 360702964), (112, 180351482), (224, 90175741), (1021, 19783904), (2042, 9891952), (4084, 4945976), (7147, 2826272), (8168, 2472988), (14294, 1413136), (16336, 1236494), (28588, 706568), (32672, 618247), (57176, 353284), (88321, 228704), (114352, 176642)]