20151859

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3119}}^1$

素因数の和:3210

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 5007821

約数列:

[1, 7, 13, 71, 91, 497, 923, 3119, 6461, 21833, 40547, 221449, 283829, 1550143, 2878837, 20151859]

約数ペア:

[(1, 20151859), (7, 2878837), (13, 1550143), (71, 283829), (91, 221449), (497, 40547), (923, 21833), (3119, 6461)]