20094921

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 36661248

約数和(自身を除く): 16566327

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 107, 231, 271, 321, 693, 749, 813, 963, 1177, 1897, 2247, 2439, 2981, 3531, 5691, 6741, 8239, 8943, 10593, 17073, 20867, 24717, 26829, 28997, 62601, 74151, 86991, 187803, 202979, 260973, 318967, 608937, 956901, 1826811, 2232769, 2870703, 6698307, 20094921]

約数ペア:

[(1, 20094921), (3, 6698307), (7, 2870703), (9, 2232769), (11, 1826811), (21, 956901), (33, 608937), (63, 318967), (77, 260973), (99, 202979), (107, 187803), (231, 86991), (271, 74151), (321, 62601), (693, 28997), (749, 26829), (813, 24717), (963, 20867), (1177, 17073), (1897, 10593), (2247, 8943), (2439, 8239), (2981, 6741), (3531, 5691)]