20147277

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 29877120

約数和(自身を除く): 9729843

約数列:

[1, 3, 19, 37, 41, 57, 111, 123, 233, 699, 703, 779, 1517, 2109, 2337, 4427, 4551, 8621, 9553, 13281, 25863, 28659, 28823, 86469, 163799, 181507, 353461, 491397, 544521, 1060383, 6715759, 20147277]

約数ペア:

[(1, 20147277), (3, 6715759), (19, 1060383), (37, 544521), (41, 491397), (57, 353461), (111, 181507), (123, 163799), (233, 86469), (699, 28823), (703, 28659), (779, 25863), (1517, 13281), (2109, 9553), (2337, 8621), (4427, 4551)]