20829004

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7669}}^1$

素因数の和:7777

約数の個数: 24

約数和(自身を含む): 42092960

約数和(自身を除く): 21263956

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 7669, 15338, 30676, 53683, 107366, 214732, 743893, 1487786, 2975572, 5207251, 10414502, 20829004]

約数ペア:

[(1, 20829004), (2, 10414502), (4, 5207251), (7, 2975572), (14, 1487786), (28, 743893), (97, 214732), (194, 107366), (388, 53683), (679, 30676), (1358, 15338), (2716, 7669)]