20166342

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 28217658

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 49, 82, 98, 123, 147, 239, 246, 287, 294, 343, 478, 574, 686, 717, 861, 1029, 1434, 1673, 1722, 2009, 2058, 3346, 4018, 5019, 6027, 9799, 10038, 11711, 12054, 14063, 19598, 23422, 28126, 29397, 35133, 42189, 58794, 68593, 70266, 81977, 84378, 137186, 163954, 205779, 245931, 411558, 480151, 491862, 960302, 1440453, 2880906, 3361057, 6722114, 10083171, 20166342]

約数ペア:

[(1, 20166342), (2, 10083171), (3, 6722114), (6, 3361057), (7, 2880906), (14, 1440453), (21, 960302), (41, 491862), (42, 480151), (49, 411558), (82, 245931), (98, 205779), (123, 163954), (147, 137186), (239, 84378), (246, 81977), (287, 70266), (294, 68593), (343, 58794), (478, 42189), (574, 35133), (686, 29397), (717, 28126), (861, 23422), (1029, 19598), (1434, 14063), (1673, 12054), (1722, 11711), (2009, 10038), (2058, 9799), (3346, 6027), (4018, 5019)]