20019311

素因数分解:

${\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:386

約数の個数: 16

約数和(自身を含む): 22162560

約数和(自身を除く): 2143249

約数列:

[1, 13, 79, 101, 193, 1027, 1313, 2509, 7979, 15247, 19493, 103727, 198211, 253409, 1539947, 20019311]

約数ペア:

[(1, 20019311), (13, 1539947), (79, 253409), (101, 198211), (193, 103727), (1027, 19493), (1313, 15247), (2509, 7979)]