20995611

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{76907}}^1$

素因数の和:76930

約数の個数: 16

約数和(自身を含む): 34454784

約数和(自身を除く): 13459173

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 76907, 230721, 538349, 999791, 1615047, 2999373, 6998537, 20995611]

約数ペア:

[(1, 20995611), (3, 6998537), (7, 2999373), (13, 1615047), (21, 999791), (39, 538349), (91, 230721), (273, 76907)]