20763666

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 57148416

約数和(自身を除く): 36384750

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 71, 77, 99, 126, 142, 154, 198, 211, 213, 231, 422, 426, 462, 497, 633, 639, 693, 781, 994, 1266, 1278, 1386, 1477, 1491, 1562, 1899, 2321, 2343, 2954, 2982, 3798, 4431, 4473, 4642, 4686, 5467, 6963, 7029, 8862, 8946, 10934, 13293, 13926, 14058, 14981, 16247, 16401, 20889, 26586, 29962, 32494, 32802, 41778, 44943, 48741, 49203, 89886, 97482, 98406, 104867, 134829, 146223, 164791, 209734, 269658, 292446, 314601, 329582, 494373, 629202, 943803, 988746, 1153537, 1483119, 1887606, 2307074, 2966238, 3460611, 6921222, 10381833, 20763666]

約数ペア:

[(1, 20763666), (2, 10381833), (3, 6921222), (6, 3460611), (7, 2966238), (9, 2307074), (11, 1887606), (14, 1483119), (18, 1153537), (21, 988746), (22, 943803), (33, 629202), (42, 494373), (63, 329582), (66, 314601), (71, 292446), (77, 269658), (99, 209734), (126, 164791), (142, 146223), (154, 134829), (198, 104867), (211, 98406), (213, 97482), (231, 89886), (422, 49203), (426, 48741), (462, 44943), (497, 41778), (633, 32802), (639, 32494), (693, 29962), (781, 26586), (994, 20889), (1266, 16401), (1278, 16247), (1386, 14981), (1477, 14058), (1491, 13926), (1562, 13293), (1899, 10934), (2321, 8946), (2343, 8862), (2954, 7029), (2982, 6963), (3798, 5467), (4431, 4686), (4473, 4642)]