20401293

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{6121}}^1$

素因数の和:6236

約数の個数: 16

約数和(自身を含む): 29973312

約数和(自身を除く): 9572019

約数列:

[1, 3, 11, 33, 101, 303, 1111, 3333, 6121, 18363, 67331, 201993, 618221, 1854663, 6800431, 20401293]

約数ペア:

[(1, 20401293), (3, 6800431), (11, 1854663), (33, 618221), (101, 201993), (303, 67331), (1111, 18363), (3333, 6121)]