20118327

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{937}}^1$

素因数の和:1378

約数の個数: 16

約数和(自身を含む): 28500192

約数和(自身を除く): 8381865

約数列:

[1, 3, 17, 51, 421, 937, 1263, 2811, 7157, 15929, 21471, 47787, 394477, 1183431, 6706109, 20118327]

約数ペア:

[(1, 20118327), (3, 6706109), (17, 1183431), (51, 394477), (421, 47787), (937, 21471), (1263, 15929), (2811, 7157)]