20170551

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{5903}}^1$

素因数の和:5990

約数の個数: 16

約数和(自身を含む): 28905984

約数和(自身を除く): 8735433

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 5903, 17709, 100351, 301053, 395501, 1186503, 6723517, 20170551]

約数ペア:

[(1, 20170551), (3, 6723517), (17, 1186503), (51, 395501), (67, 301053), (201, 100351), (1139, 17709), (3417, 5903)]