20797182009

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{696653}}^1$

素因数の和:696797

約数の個数: 24

約数和(自身を含む): 31299270912

約数和(自身を除く): 10502088903

約数列:

[1, 3, 9, 31, 93, 107, 279, 321, 963, 3317, 9951, 29853, 696653, 2089959, 6269877, 21596243, 64788729, 74541871, 194366187, 223625613, 670876839, 2310798001, 6932394003, 20797182009]

約数ペア:

[(1, 20797182009), (3, 6932394003), (9, 2310798001), (31, 670876839), (93, 223625613), (107, 194366187), (279, 74541871), (321, 64788729), (963, 21596243), (3317, 6269877), (9951, 2089959), (29853, 696653)]