20859918

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{204509}}^1$

素因数の和:204531

約数の個数: 16

約数和(自身を含む): 44174160

約数和(自身を除く): 23314242

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 204509, 409018, 613527, 1227054, 3476653, 6953306, 10429959, 20859918]

約数ペア:

[(1, 20859918), (2, 10429959), (3, 6953306), (6, 3476653), (17, 1227054), (34, 613527), (51, 409018), (102, 204509)]