20489834

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{541}}^1\times {\mathrm{653}}^1$

素因数の和:1225

約数の個数: 16

約数和(自身を含む): 31902120

約数和(自身を除く): 11412286

約数列:

[1, 2, 29, 58, 541, 653, 1082, 1306, 15689, 18937, 31378, 37874, 353273, 706546, 10244917, 20489834]

約数ペア:

[(1, 20489834), (2, 10244917), (29, 706546), (58, 353273), (541, 37874), (653, 31378), (1082, 18937), (1306, 15689)]