20212763753

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1109}}^1\times {\mathrm{3779}}^1$

素因数の和:4961

約数の個数: 32

約数和(自身を含む): 25376198400

約数和(自身を除く): 5163434647

約数列:

[1, 7, 13, 53, 91, 371, 689, 1109, 3779, 4823, 7763, 14417, 26453, 49127, 58777, 100919, 200287, 343889, 411439, 764101, 1402009, 2603731, 4190911, 5348707, 18226117, 29336377, 54481843, 222118283, 381372901, 1554827981, 2887537679, 20212763753]

約数ペア:

[(1, 20212763753), (7, 2887537679), (13, 1554827981), (53, 381372901), (91, 222118283), (371, 54481843), (689, 29336377), (1109, 18226117), (3779, 5348707), (4823, 4190911), (7763, 2603731), (14417, 1402009), (26453, 764101), (49127, 411439), (58777, 343889), (100919, 200287)]