20197786182

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{516541}}^1$

素因数の和:516586

約数の個数: 64

約数和(自身を含む): 49588032000

約数和(自身を除く): 29390245818

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 343, 399, 686, 798, 931, 1029, 1862, 2058, 2793, 5586, 6517, 13034, 19551, 39102, 516541, 1033082, 1549623, 3099246, 3615787, 7231574, 9814279, 10847361, 19628558, 21694722, 25310509, 29442837, 50621018, 58885674, 68699953, 75931527, 137399906, 151863054, 177173563, 206099859, 354347126, 412199718, 480899671, 531520689, 961799342, 1063041378, 1442699013, 2885398026, 3366297697, 6732595394, 10098893091, 20197786182]

約数ペア:

[(1, 20197786182), (2, 10098893091), (3, 6732595394), (6, 3366297697), (7, 2885398026), (14, 1442699013), (19, 1063041378), (21, 961799342), (38, 531520689), (42, 480899671), (49, 412199718), (57, 354347126), (98, 206099859), (114, 177173563), (133, 151863054), (147, 137399906), (266, 75931527), (294, 68699953), (343, 58885674), (399, 50621018), (686, 29442837), (798, 25310509), (931, 21694722), (1029, 19628558), (1862, 10847361), (2058, 9814279), (2793, 7231574), (5586, 3615787), (6517, 3099246), (13034, 1549623), (19551, 1033082), (39102, 516541)]