20173945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1051}}^1$

素因数の和:1416

約数の個数: 16

約数和(自身を含む): 26510400

約数和(自身を除く): 6336455

約数列:

[1, 5, 11, 55, 349, 1051, 1745, 3839, 5255, 11561, 19195, 57805, 366799, 1833995, 4034789, 20173945]

約数ペア:

[(1, 20173945), (5, 4034789), (11, 1833995), (55, 366799), (349, 57805), (1051, 19195), (1745, 11561), (3839, 5255)]