20845539

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5399}}^1$

素因数の和:5432

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 15442461

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 5399, 16197, 48591, 59389, 70187, 145773, 178167, 210561, 534501, 631683, 772057, 1603503, 1895049, 2316171, 6948513, 20845539]

約数ペア:

[(1, 20845539), (3, 6948513), (9, 2316171), (11, 1895049), (13, 1603503), (27, 772057), (33, 631683), (39, 534501), (99, 210561), (117, 178167), (143, 145773), (297, 70187), (351, 59389), (429, 48591), (1287, 16197), (3861, 5399)]