20296668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 56899584

約数和(自身を除く): 36602916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 53, 84, 94, 97, 106, 141, 159, 188, 194, 212, 282, 291, 318, 329, 371, 388, 564, 582, 636, 658, 679, 742, 987, 1113, 1164, 1316, 1358, 1484, 1974, 2037, 2226, 2491, 2716, 3948, 4074, 4452, 4559, 4982, 5141, 7473, 8148, 9118, 9964, 10282, 13677, 14946, 15423, 17437, 18236, 20564, 27354, 29892, 30846, 31913, 34874, 35987, 52311, 54708, 61692, 63826, 69748, 71974, 95739, 104622, 107961, 127652, 143948, 191478, 209244, 215922, 241627, 382956, 431844, 483254, 724881, 966508, 1449762, 1691389, 2899524, 3382778, 5074167, 6765556, 10148334, 20296668]

約数ペア:

[(1, 20296668), (2, 10148334), (3, 6765556), (4, 5074167), (6, 3382778), (7, 2899524), (12, 1691389), (14, 1449762), (21, 966508), (28, 724881), (42, 483254), (47, 431844), (53, 382956), (84, 241627), (94, 215922), (97, 209244), (106, 191478), (141, 143948), (159, 127652), (188, 107961), (194, 104622), (212, 95739), (282, 71974), (291, 69748), (318, 63826), (329, 61692), (371, 54708), (388, 52311), (564, 35987), (582, 34874), (636, 31913), (658, 30846), (679, 29892), (742, 27354), (987, 20564), (1113, 18236), (1164, 17437), (1316, 15423), (1358, 14946), (1484, 13677), (1974, 10282), (2037, 9964), (2226, 9118), (2491, 8148), (2716, 7473), (3948, 5141), (4074, 4982), (4452, 4559)]