20359071

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1667}}^1$

素因数の和:1755

約数の個数: 24

約数和(自身を含む): 31224960

約数和(自身を除く): 10865889

約数列:

[1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 1667, 4071, 5001, 12213, 15003, 38341, 98353, 115023, 295059, 345069, 885177, 2262119, 6786357, 20359071]

約数ペア:

[(1, 20359071), (3, 6786357), (9, 2262119), (23, 885177), (59, 345069), (69, 295059), (177, 115023), (207, 98353), (531, 38341), (1357, 15003), (1667, 12213), (4071, 5001)]