20584158

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1907}}^1$

素因数の和:2176

約数の個数: 32

約数和(自身を含む): 47257344

約数和(自身を除く): 26673186

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 257, 514, 771, 1542, 1799, 1907, 3598, 3814, 5397, 5721, 10794, 11442, 13349, 26698, 40047, 80094, 490099, 980198, 1470297, 2940594, 3430693, 6861386, 10292079, 20584158]

約数ペア:

[(1, 20584158), (2, 10292079), (3, 6861386), (6, 3430693), (7, 2940594), (14, 1470297), (21, 980198), (42, 490099), (257, 80094), (514, 40047), (771, 26698), (1542, 13349), (1799, 11442), (1907, 10794), (3598, 5721), (3814, 5397)]