20877584

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1103}}^1$

素因数の和:1144

約数の個数: 60

約数和(自身を含む): 50103936

約数和(自身を除く): 29226352

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1103, 1183, 1352, 1456, 2206, 2366, 2704, 4412, 4732, 7721, 8824, 9464, 14339, 15442, 17648, 18928, 28678, 30884, 57356, 61768, 100373, 114712, 123536, 186407, 200746, 229424, 372814, 401492, 745628, 802984, 1304849, 1491256, 1605968, 2609698, 2982512, 5219396, 10438792, 20877584]

約数ペア:

[(1, 20877584), (2, 10438792), (4, 5219396), (7, 2982512), (8, 2609698), (13, 1605968), (14, 1491256), (16, 1304849), (26, 802984), (28, 745628), (52, 401492), (56, 372814), (91, 229424), (104, 200746), (112, 186407), (169, 123536), (182, 114712), (208, 100373), (338, 61768), (364, 57356), (676, 30884), (728, 28678), (1103, 18928), (1183, 17648), (1352, 15442), (1456, 14339), (2206, 9464), (2366, 8824), (2704, 7721), (4412, 4732)]