20997682

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{5099}}^1$

素因数の和:5201

約数の個数: 16

約数和(自身を含む): 33048000

約数和(自身を除く): 12050318

約数列:

[1, 2, 29, 58, 71, 142, 2059, 4118, 5099, 10198, 147871, 295742, 362029, 724058, 10498841, 20997682]

約数ペア:

[(1, 20997682), (2, 10498841), (29, 724058), (58, 362029), (71, 295742), (142, 147871), (2059, 10198), (4118, 5099)]