20796849

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:254

約数の個数: 36

約数和(自身を含む): 32749236

約数和(自身を除く): 11952387

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 173, 333, 361, 519, 703, 1083, 1557, 2109, 3249, 3287, 6327, 6401, 9861, 13357, 19203, 29583, 40071, 57609, 62453, 120213, 121619, 187359, 364857, 562077, 1094571, 2310761, 6932283, 20796849]

約数ペア:

[(1, 20796849), (3, 6932283), (9, 2310761), (19, 1094571), (37, 562077), (57, 364857), (111, 187359), (171, 121619), (173, 120213), (333, 62453), (361, 57609), (519, 40071), (703, 29583), (1083, 19203), (1557, 13357), (2109, 9861), (3249, 6401), (3287, 6327)]