20121012737

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{136559}}^1$

素因数の和:136701

約数の個数: 24

約数和(自身を含む): 24410373120

約数和(自身を除く): 4289360383

約数列:

[1, 7, 31, 49, 97, 217, 679, 1519, 3007, 4753, 21049, 136559, 147343, 955913, 4233329, 6691391, 13246223, 29633303, 92723561, 207433121, 410632913, 649064927, 2874430391, 20121012737]

約数ペア:

[(1, 20121012737), (7, 2874430391), (31, 649064927), (49, 410632913), (97, 207433121), (217, 92723561), (679, 29633303), (1519, 13246223), (3007, 6691391), (4753, 4233329), (21049, 955913), (136559, 147343)]