20833918

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 18236162

約数列:

[1, 2, 7, 14, 19, 38, 49, 67, 98, 133, 134, 167, 266, 334, 469, 931, 938, 1169, 1273, 1862, 2338, 2546, 3173, 3283, 6346, 6566, 8183, 8911, 11189, 16366, 17822, 22211, 22378, 44422, 62377, 78323, 124754, 155477, 156646, 212591, 310954, 425182, 548261, 1096522, 1488137, 2976274, 10416959, 20833918]

約数ペア:

[(1, 20833918), (2, 10416959), (7, 2976274), (14, 1488137), (19, 1096522), (38, 548261), (49, 425182), (67, 310954), (98, 212591), (133, 156646), (134, 155477), (167, 124754), (266, 78323), (334, 62377), (469, 44422), (931, 22378), (938, 22211), (1169, 17822), (1273, 16366), (1862, 11189), (2338, 8911), (2546, 8183), (3173, 6566), (3283, 6346)]