20777724

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:831

約数の個数: 72

約数和(自身を含む): 58181760

約数和(自身を除く): 37404036

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 71, 99, 132, 142, 198, 213, 284, 396, 426, 639, 739, 781, 852, 1278, 1478, 1562, 2217, 2343, 2556, 2956, 3124, 4434, 4686, 6651, 7029, 8129, 8868, 9372, 13302, 14058, 16258, 24387, 26604, 28116, 32516, 48774, 52469, 73161, 97548, 104938, 146322, 157407, 209876, 292644, 314814, 472221, 577159, 629628, 944442, 1154318, 1731477, 1888884, 2308636, 3462954, 5194431, 6925908, 10388862, 20777724]

約数ペア:

[(1, 20777724), (2, 10388862), (3, 6925908), (4, 5194431), (6, 3462954), (9, 2308636), (11, 1888884), (12, 1731477), (18, 1154318), (22, 944442), (33, 629628), (36, 577159), (44, 472221), (66, 314814), (71, 292644), (99, 209876), (132, 157407), (142, 146322), (198, 104938), (213, 97548), (284, 73161), (396, 52469), (426, 48774), (639, 32516), (739, 28116), (781, 26604), (852, 24387), (1278, 16258), (1478, 14058), (1562, 13302), (2217, 9372), (2343, 8868), (2556, 8129), (2956, 7029), (3124, 6651), (4434, 4686)]