20202351

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{947}}^1$

素因数の和:1510

約数の個数: 16

約数和(自身を含む): 29092224

約数和(自身を除く): 8889873

約数列:

[1, 3, 13, 39, 547, 947, 1641, 2841, 7111, 12311, 21333, 36933, 518009, 1554027, 6734117, 20202351]

約数ペア:

[(1, 20202351), (3, 6734117), (13, 1554027), (39, 518009), (547, 36933), (947, 21333), (1641, 12311), (2841, 7111)]