20511784

素因数分解:

$2^3\times {\mathrm{863}}^1\times {\mathrm{2971}}^1$

素因数の和:3840

約数の個数: 16

約数和(自身を含む): 38517120

約数和(自身を除く): 18005336

約数列:

[1, 2, 4, 8, 863, 1726, 2971, 3452, 5942, 6904, 11884, 23768, 2563973, 5127946, 10255892, 20511784]

約数ペア:

[(1, 20511784), (2, 10255892), (4, 5127946), (8, 2563973), (863, 23768), (1726, 11884), (2971, 6904), (3452, 5942)]