20342878105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{319129}}^1$

素因数の和:319225

約数の個数: 32

約数和(自身を含む): 28491926400

約数和(自身を除く): 8149048295

約数列:

[1, 5, 11, 19, 55, 61, 95, 209, 305, 671, 1045, 1159, 3355, 5795, 12749, 63745, 319129, 1595645, 3510419, 6063451, 17552095, 19466869, 30317255, 66697961, 97334345, 214135559, 333489805, 369870511, 1070677795, 1849352555, 4068575621, 20342878105]

約数ペア:

[(1, 20342878105), (5, 4068575621), (11, 1849352555), (19, 1070677795), (55, 369870511), (61, 333489805), (95, 214135559), (209, 97334345), (305, 66697961), (671, 30317255), (1045, 19466869), (1159, 17552095), (3355, 6063451), (5795, 3510419), (12749, 1595645), (63745, 319129)]