20999174

素因数分解:

$2^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{2297}}^1$

素因数の和:2959

約数の個数: 16

約数和(自身を含む): 36069408

約数和(自身を除く): 15070234

約数列:

[1, 2, 7, 14, 653, 1306, 2297, 4571, 4594, 9142, 16079, 32158, 1499941, 2999882, 10499587, 20999174]

約数ペア:

[(1, 20999174), (2, 10499587), (7, 2999882), (14, 1499941), (653, 32158), (1306, 16079), (2297, 9142), (4571, 4594)]