20091071

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20071}}^1$

素因数の和:20102

約数の個数: 16

約数和(自身を含む): 26976768

約数和(自身を除く): 6885697

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 20071, 140497, 220781, 260923, 1545467, 1826461, 2870153, 20091071]

約数ペア:

[(1, 20091071), (7, 2870153), (11, 1826461), (13, 1545467), (77, 260923), (91, 220781), (143, 140497), (1001, 20071)]