20683712

素因数分解:

$2^6\times 7^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:493

約数の個数: 56

約数和(自身を含む): 47390304

約数和(自身を除く): 26706592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 137, 224, 274, 337, 448, 548, 674, 959, 1096, 1348, 1918, 2192, 2359, 2696, 3836, 4384, 4718, 5392, 7672, 8768, 9436, 10784, 15344, 18872, 21568, 30688, 37744, 46169, 61376, 75488, 92338, 150976, 184676, 323183, 369352, 646366, 738704, 1292732, 1477408, 2585464, 2954816, 5170928, 10341856, 20683712]

約数ペア:

[(1, 20683712), (2, 10341856), (4, 5170928), (7, 2954816), (8, 2585464), (14, 1477408), (16, 1292732), (28, 738704), (32, 646366), (56, 369352), (64, 323183), (112, 184676), (137, 150976), (224, 92338), (274, 75488), (337, 61376), (448, 46169), (548, 37744), (674, 30688), (959, 21568), (1096, 18872), (1348, 15344), (1918, 10784), (2192, 9436), (2359, 8768), (2696, 7672), (3836, 5392), (4384, 4718)]