20780051037

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{769}}^1\times {\mathrm{7853}}^1$

素因数の和:8693

約数の個数: 32

約数和(自身を含む): 29415429120

約数和(自身を除く): 8635378083

約数列:

[1, 3, 31, 37, 93, 111, 769, 1147, 2307, 3441, 7853, 23559, 23839, 28453, 71517, 85359, 243443, 290561, 730329, 871683, 882043, 2646129, 6038957, 9007391, 18116871, 27022173, 187207667, 223441409, 561623001, 670324227, 6926683679, 20780051037]

約数ペア:

[(1, 20780051037), (3, 6926683679), (31, 670324227), (37, 561623001), (93, 223441409), (111, 187207667), (769, 27022173), (1147, 18116871), (2307, 9007391), (3441, 6038957), (7853, 2646129), (23559, 882043), (23839, 871683), (28453, 730329), (71517, 290561), (85359, 243443)]