20938722

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1381}}^1$

素因数の和:1431

約数の個数: 48

約数和(自身を含む): 50548032

約数和(自身を除く): 29609310

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 361, 399, 722, 798, 1083, 1381, 2166, 2527, 2762, 4143, 5054, 7581, 8286, 9667, 15162, 19334, 26239, 29001, 52478, 58002, 78717, 157434, 183673, 367346, 498541, 551019, 997082, 1102038, 1495623, 2991246, 3489787, 6979574, 10469361, 20938722]

約数ペア:

[(1, 20938722), (2, 10469361), (3, 6979574), (6, 3489787), (7, 2991246), (14, 1495623), (19, 1102038), (21, 997082), (38, 551019), (42, 498541), (57, 367346), (114, 183673), (133, 157434), (266, 78717), (361, 58002), (399, 52478), (722, 29001), (798, 26239), (1083, 19334), (1381, 15162), (2166, 9667), (2527, 8286), (2762, 7581), (4143, 5054)]