20776196

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:841

約数の個数: 48

約数和(自身を含む): 44688000

約数和(自身を除く): 23911804

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 343, 532, 686, 797, 931, 1372, 1594, 1862, 3188, 3724, 5579, 6517, 11158, 13034, 15143, 22316, 26068, 30286, 39053, 60572, 78106, 106001, 156212, 212002, 273371, 424004, 546742, 742007, 1093484, 1484014, 2968028, 5194049, 10388098, 20776196]

約数ペア:

[(1, 20776196), (2, 10388098), (4, 5194049), (7, 2968028), (14, 1484014), (19, 1093484), (28, 742007), (38, 546742), (49, 424004), (76, 273371), (98, 212002), (133, 156212), (196, 106001), (266, 78106), (343, 60572), (532, 39053), (686, 30286), (797, 26068), (931, 22316), (1372, 15143), (1594, 13034), (1862, 11158), (3188, 6517), (3724, 5579)]