20133904

素因数分解:

$2^4\times 7^2\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:504

約数の個数: 60

約数和(自身を含む): 46231788

約数和(自身を除く): 26097884

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 61, 98, 112, 122, 196, 244, 392, 421, 427, 488, 784, 842, 854, 976, 1684, 1708, 2947, 2989, 3368, 3416, 5894, 5978, 6736, 6832, 11788, 11956, 20629, 23576, 23912, 25681, 41258, 47152, 47824, 51362, 82516, 102724, 165032, 179767, 205448, 330064, 359534, 410896, 719068, 1258369, 1438136, 2516738, 2876272, 5033476, 10066952, 20133904]

約数ペア:

[(1, 20133904), (2, 10066952), (4, 5033476), (7, 2876272), (8, 2516738), (14, 1438136), (16, 1258369), (28, 719068), (49, 410896), (56, 359534), (61, 330064), (98, 205448), (112, 179767), (122, 165032), (196, 102724), (244, 82516), (392, 51362), (421, 47824), (427, 47152), (488, 41258), (784, 25681), (842, 23912), (854, 23576), (976, 20629), (1684, 11956), (1708, 11788), (2947, 6832), (2989, 6736), (3368, 5978), (3416, 5894)]