20251756

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 21745556

約数列:

[1, 2, 4, 7, 14, 28, 61, 71, 122, 142, 167, 244, 284, 334, 427, 497, 668, 854, 994, 1169, 1708, 1988, 2338, 4331, 4676, 8662, 10187, 11857, 17324, 20374, 23714, 30317, 40748, 47428, 60634, 71309, 82999, 121268, 142618, 165998, 285236, 331996, 723277, 1446554, 2893108, 5062939, 10125878, 20251756]

約数ペア:

[(1, 20251756), (2, 10125878), (4, 5062939), (7, 2893108), (14, 1446554), (28, 723277), (61, 331996), (71, 285236), (122, 165998), (142, 142618), (167, 121268), (244, 82999), (284, 71309), (334, 60634), (427, 47428), (497, 40748), (668, 30317), (854, 23714), (994, 20374), (1169, 17324), (1708, 11857), (1988, 10187), (2338, 8662), (4331, 4676)]